Year
|
Jan
|
Feb
|
Mar
|
Apr
|
May
|
Jun
|
Jul
|
Aug
|
Sep
|
Oct
|
Nov
|
Dec
|
Annual
|
1898
|
999.90
|
-27.30
|
-23.70
|
-11.10
|
4.30
|
14.10
|
16.20
|
14.70
|
2.80
|
-10.30
|
-29.70
|
-35.80
|
-9.70
|
1899
|
-39.00
|
-32.90
|
-21.00
|
-10.80
|
3.50
|
12.20
|
17.80
|
16.10
|
5.50
|
-5.10
|
-24.90
|
-40.40
|
-10.30
|
1900
|
-46.40
|
-38.30
|
-21.70
|
-7.50
|
3.10
|
10.60
|
13.10
|
12.20
|
7.10
|
-7.80
|
-26.90
|
-38.80
|
-12.20
|
1901
|
-39.70
|
-28.20
|
-16.90
|
-7.90
|
3.60
|
14.50
|
16.50
|
14.00
|
4.90
|
-11.10
|
-26.10
|
-34.50
|
-9.30
|
1902
|
-43.60
|
-30.30
|
-22.10
|
-11.20
|
0.20
|
13.40
|
17.40
|
11.40
|
4.70
|
-9.90
|
-29.50
|
-36.60
|
-11.70
|
1903
|
-31.80
|
-22.00
|
-17.80
|
-10.30
|
4.40
|
14.70
|
19.50
|
11.90
|
4.00
|
-8.70
|
-21.10
|
-43.20
|
-8.40
|
1904
|
-30.80
|
-35.50
|
-17.70
|
-6.10
|
2.50
|
9.90
|
15.70
|
12.30
|
3.40
|
-10.40
|
-18.70
|
-32.40
|
-9.20
|
1905
|
-34.40
|
-31.50
|
-18.60
|
-10.00
|
2.20
|
13.90
|
15.40
|
11.80
|
4.70
|
999.90
|
999.90
|
999.90
|
-4.60
|
1906
|
-41.90
|
-32.50
|
-18.40
|
-6.60
|
4.30
|
15.80
|
18.90
|
16.70
|
5.30
|
-6.60
|
-27.60
|
-31.70
|
-9.00
|
1907
|
-43.30
|
-30.80
|
-19.00
|
-6.80
|
4.60
|
14.10
|
16.00
|
13.70
|
5.70
|
-8.00
|
-23.70
|
-43.00
|
-10.20
|
1908
|
-41.70
|
-27.80
|
-21.70
|
-8.50
|
5.20
|
17.70
|
21.70
|
12.10
|
9.60
|
-4.00
|
-25.80
|
-40.90
|
-9.20
|
1909
|
-48.00
|
-33.50
|
-23.60
|
-9.40
|
3.00
|
13.60
|
19.50
|
15.80
|
5.30
|
-5.50
|
-33.50
|
-31.40
|
-11.30
|
1910
|
-34.70
|
-27.80
|
-20.60
|
-8.10
|
2.50
|
14.40
|
21.50
|
15.60
|
6.30
|
-5.80
|
-25.30
|
-39.70
|
-8.80
|
1911
|
-42.90
|
-25.50
|
-19.70
|
-6.50
|
3.70
|
12.00
|
16.90
|
16.20
|
2.30
|
-5.00
|
-22.50
|
-37.90
|
-9.40
|
1912
|
-33.30
|
-35.00
|
-24.60
|
-6.70
|
3.70
|
17.40
|
17.40
|
11.90
|
3.00
|
-12.50
|
-26.40
|
-37.40
|
-10.70
|
1913
|
-37.70
|
-36.80
|
999.90
|
999.90
|
999.90
|
999.90
|
999.90
|
999.90
|
999.90
|
-8.80
|
-28.20
|
-31.20
|
999.90
|
1914
|
-35.80
|
-26.50
|
-25.70
|
-7.90
|
4.00
|
16.80
|
22.20
|
15.60
|
6.80
|
-5.20
|
-29.90
|
-26.60
|
-8.70
|
1915
|
-47.40
|
-34.10
|
-18.10
|
-8.10
|
5.90
|
13.70
|
17.40
|
10.00
|
3.10
|
-10.90
|
-25.30
|
-42.00
|
-11.30
|
1916
|
-40.90
|
-33.00
|
-19.10
|
-7.70
|
3.60
|
14.00
|
19.90
|
15.10
|
3.40
|
-4.00
|
-24.40
|
-42.70
|
-9.80
|
1917
|
-35.10
|
-29.20
|
-18.90
|
-6.50
|
5.30
|
16.80
|
21.30
|
15.60
|
7.20
|
-9.40
|
-25.60
|
-36.70
|
-8.20
|
1918
|
-34.30
|
-32.80
|
-16.40
|
-9.30
|
5.20
|
16.30
|
14.70
|
15.60
|
6.00
|
999.90
|
-26.40
|
-41.80
|
-10.00
|
1919
|
-42.40
|
-38.10
|
-23.50
|
-5.10
|
3.20
|
16.70
|
19.00
|
14.50
|
6.80
|
-4.40
|
-25.00
|
-35.60
|
-10.20
|
1920
|
-29.80
|
-26.60
|
-15.50
|
-4.40
|
3.70
|
11.20
|
20.40
|
15.70
|
3.90
|
-9.30
|
-23.70
|
-35.30
|
-7.40
|
1921
|
-33.60
|
-22.30
|
-20.40
|
-10.60
|
1.10
|
13.90
|
16.40
|
14.10
|
8.50
|
-8.00
|
-21.10
|
-40.00
|
-8.90
|
1922
|
-39.90
|
-37.00
|
-23.90
|
-8.60
|
3.90
|
14.40
|
17.00
|
12.80
|
3.00
|
-11.20
|
999.90
|
-29.10
|
-10.20
|
1923
|
-37.50
|
-31.20
|
-17.70
|
-8.80
|
999.90
|
999.90
|
999.90
|
999.90
|
999.90
|
999.90
|
999.90
|
999.90
|
999.90
|
1924
|
999.90
|
-33.00
|
-19.80
|
-9.60
|
2.70
|
14.70
|
15.90
|
15.90
|
7.70
|
-10.90
|
-19.50
|
-28.60
|
-8.20
|
1925
|
-26.40
|
-37.60
|
-23.90
|
-8.60
|
3.00
|
10.10
|
16.60
|
14.20
|
6.00
|
-5.30
|
-22.90
|
-32.70
|
-9.80
|
1926
|
-33.10
|
-31.10
|
-13.90
|
-8.70
|
1.80
|
8.00
|
12.30
|
16.40
|
6.40
|
-6.30
|
-20.50
|
-34.10
|
-8.60
|
1927
|
-44.30
|
-35.00
|
-23.70
|
-6.20
|
5.20
|
13.90
|
14.50
|
12.00
|
8.10
|
-3.90
|
-19.70
|
-36.70
|
-10.50
|
1928
|
-36.90
|
-29.00
|
-20.00
|
-6.10
|
2.90
|
999.90
|
16.70
|
15.80
|
3.50
|
-6.10
|
-27.50
|
-29.70
|
-8.80
|
1929
|
-43.00
|
-33.80
|
-18.30
|
-7.20
|
5.20
|
13.00
|
16.60
|
14.50
|
3.20
|
-7.50
|
-28.90
|
-38.40
|
-10.40
|
1930
|
-29.70
|
-33.00
|
-14.80
|
-8.60
|
1.80
|
15.10
|
17.60
|
13.90
|
5.00
|
-8.70
|
-24.00
|
-36.60
|
-8.40
|
1931
|
-45.60
|
-38.10
|
-20.10
|
-11.40
|
5.70
|
15.00
|
17.30
|
12.00
|
7.70
|
-4.60
|
-22.70
|
-25.70
|
-9.90
|
1932
|
-30.20
|
-27.50
|
-18.10
|
-7.40
|
4.70
|
15.80
|
20.10
|
14.70
|
8.00
|
-5.90
|
-31.70
|
-35.00
|
-7.90
|
1933
|
-31.60
|
-36.70
|
-23.70
|
-8.70
|
2.20
|
15.40
|
16.40
|
15.70
|
5.60
|
-4.10
|
-23.60
|
-36.60
|
-9.90
|
1934
|
-31.60
|
-22.10
|
-20.30
|
-10.20
|
4.90
|
16.20
|
21.70
|
13.00
|
5.10
|
-7.20
|
-26.10
|
-35.60
|
-8.00
|
1935
|
-37.50
|
-24.40
|
-24.30
|
-9.20
|
4.90
|
14.40
|
19.70
|
13.90
|
5.60
|
-11.80
|
-31.00
|
-35.10
|
-10.10
|
1936
|
-41.80
|
-33.30
|
-19.60
|
-5.20
|
7.70
|
12.60
|
20.70
|
15.50
|
7.10
|
-9.00
|
-29.90
|
-29.90
|
-9.10
|
1937
|
-31.80
|
-27.80
|
-24.60
|
-6.80
|
7.20
|
16.10
|
18.70
|
13.10
|
6.40
|
-10.30
|
-28.20
|
-35.50
|
-9.30
|
1938
|
-34.30
|
-32.20
|
-16.60
|
-5.00
|
6.10
|
14.50
|
18.20
|
15.50
|
7.90
|
-8.80
|
-20.10
|
-35.70
|
-7.70
|
1939
|
-41.10
|
-27.10
|
-19.10
|
-6.80
|
4.20
|
15.80
|
15.50
|
16.20
|
6.70
|
-7.40
|
-26.70
|
-29.10
|
-8.70
|
1940
|
-38.70
|
-30.20
|
-20.20
|
-5.80
|
2.90
|
16.00
|
18.30
|
12.50
|
3.20
|
-11.70
|
-30.10
|
-38.30
|
-10.30
|
1941
|
-42.10
|
-37.40
|
-26.40
|
-8.10
|
5.20
|
17.10
|
21.90
|
14.40
|
5.50
|
-6.50
|
-25.60
|
-40.60
|
-11.00
|
1942
|
-32.50
|
-33.80
|
-24.20
|
-9.30
|
4.20
|
14.10
|
18.10
|
12.70
|
5.90
|
-9.10
|
-26.50
|
-36.40
|
-10.40
|
1943
|
-35.90
|
-29.30
|
-13.00
|
-1.40
|
8.30
|
11.50
|
16.20
|
14.00
|
7.10
|
-3.80
|
-26.40
|
-38.60
|
-7.40
|
1944
|
-37.50
|
-29.70
|
-17.80
|
-7.70
|
3.70
|
13.40
|
17.50
|
14.90
|
7.20
|
-9.40
|
-25.10
|
-32.50
|
-8.80
|
1945
|
-40.00
|
-32.40
|
-18.70
|
-4.30
|
6.10
|
16.50
|
18.60
|
15.30
|
6.40
|
-4.70
|
-21.70
|
-40.60
|
-8.60
|
1946
|
-41.70
|
-37.80
|
-21.50
|
-4.40
|
2.10
|
13.50
|
20.00
|
12.90
|
2.00
|
-7.40
|
-28.10
|
-39.40
|
-11.10
|
1947
|
-42.10
|
-32.50
|
-17.60
|
-5.30
|
6.80
|
17.00
|
20.00
|
13.10
|
5.10
|
-1.60
|
-26.50
|
-36.90
|
-8.60
|
1948
|
-35.10
|
-32.40
|
-15.40
|
-6.00
|
5.30
|
15.80
|
19.00
|
15.90
|
6.40
|
-3.70
|
-19.10
|
-35.10
|
-7.20
|
1949
|
-31.70
|
-32.30
|
-20.20
|
-6.40
|
5.90
|
14.80
|
16.50
|
14.30
|
8.30
|
-4.20
|
-30.20
|
-39.30
|
-9.00
|
1950
|
-38.70
|
-33.20
|
-21.10
|
-8.00
|
5.10
|
14.10
|
16.30
|
12.40
|
3.60
|
-8.80
|
-29.00
|
-40.10
|
-10.80
|
1951
|
-39.00
|
-36.40
|
-21.30
|
-10.20
|
4.90
|
12.10
|
15.90
|
15.00
|
8.40
|
-3.60
|
-22.80
|
-28.10
|
-9.60
|
1952
|
-45.20
|
-36.70
|
-20.60
|
-8.20
|
2.80
|
12.80
|
19.90
|
14.70
|
7.00
|
-11.10
|
-35.30
|
-38.50
|
-11.60
|
1953
|
-40.20
|
-29.80
|
-16.40
|
-4.90
|
6.90
|
14.70
|
19.10
|
12.50
|
5.10
|
-6.40
|
-26.10
|
-39.70
|
-8.70
|
1954
|
-38.80
|
-32.70
|
-20.40
|
-6.70
|
2.20
|
15.60
|
18.90
|
15.80
|
4.40
|
-7.30
|
-28.80
|
-34.90
|
-9.70
|
1955
|
-30.40
|
-37.20
|
-27.80
|
-10.40
|
5.90
|
15.50
|
16.90
|
14.90
|
4.60
|
-7.00
|
-26.80
|
-44.40
|
-11.30
|
1956
|
-40.70
|
-31.10
|
-22.20
|
-11.30
|
1.10
|
17.20
|
19.00
|
12.90
|
6.80
|
-11.20
|
-23.00
|
-34.20
|
-10.30
|
1957
|
-30.40
|
-36.70
|
-21.20
|
-8.00
|
4.30
|
14.50
|
17.20
|
14.00
|
0.70
|
-10.00
|
-30.90
|
-33.70
|
-10.20
|
1958
|
-40.20
|
-33.80
|
-24.90
|
-8.80
|
3.10
|
11.70
|
16.90
|
14.40
|
5.90
|
-10.40
|
-28.90
|
-39.00
|
-11.70
|
1959
|
-42.40
|
-26.80
|
-13.10
|
-9.00
|
2.50
|
18.00
|
15.20
|
15.80
|
7.60
|
-8.00
|
-22.80
|
-37.30
|
-8.20
|
1960
|
-40.60
|
-34.70
|
-23.70
|
-9.10
|
4.60
|
17.10
|
17.40
|
12.30
|
4.40
|
-9.40
|
-30.30
|
-37.50
|
-11.30
|
1961
|
-43.70
|
-30.70
|
-22.10
|
-10.00
|
3.60
|
13.50
|
17.10
|
12.90
|
7.10
|
-7.80
|
-24.70
|
-33.10
|
-10.40
|
1962
|
-31.40
|
-24.60
|
-21.20
|
-7.90
|
4.40
|
12.10
|
17.80
|
14.70
|
4.70
|
-7.20
|
-28.80
|
-37.00
|
-9.00
|
1963
|
-31.30
|
-27.20
|
-17.40
|
-10.60
|
1.10
|
13.30
|
17.90
|
14.40
|
5.30
|
-5.70
|
-23.90
|
-32.70
|
-8.30
|
1964
|
-32.80
|
-28.60
|
-20.50
|
-10.00
|
3.20
|
14.60
|
19.50
|
13.00
|
4.20
|
-9.70
|
-27.50
|
-39.90
|
-9.70
|
1965
|
-41.40
|
-37.20
|
-20.20
|
-5.50
|
3.40
|
11.80
|
17.30
|
14.90
|
6.40
|
-7.20
|
-30.10
|
-43.20
|
-11.10
|
1966
|
-39.20
|
-41.10
|
-24.90
|
-9.60
|
6.10
|
15.90
|
15.50
|
14.40
|
4.20
|
-8.70
|
-24.60
|
-34.60
|
-11.30
|
1967
|
-34.40
|
-32.60
|
-21.40
|
-6.90
|
6.10
|
18.00
|
18.00
|
14.80
|
5.00
|
-3.00
|
-23.90
|
-32.20
|
-8.40
|
1968
|
-40.10
|
-27.60
|
-21.80
|
-6.70
|
6.00
|
15.30
|
18.70
|
12.40
|
4.20
|
-6.80
|
-32.10
|
-36.80
|
-9.90
|
1969
|
-40.00
|
-40.60
|
-22.30
|
-9.60
|
4.80
|
13.70
|
19.00
|
16.60
|
2.20
|
-7.50
|
-27.60
|
-35.60
|
-11.00
|
1970
|
-38.30
|
-34.00
|
-20.80
|
-8.60
|
2.50
|
14.00
|
18.00
|
15.60
|
6.20
|
-9.60
|
-26.10
|
-37.60
|
-10.20
|
1971
|
-36.60
|
-35.30
|
-20.70
|
-7.50
|
6.40
|
14.90
|
19.90
|
14.50
|
7.30
|
-6.00
|
-21.60
|
-32.90
|
-8.70
|
1972
|
-43.40
|
-32.80
|
-20.00
|
-6.50
|
3.50
|
13.40
|
17.70
|
12.60
|
4.50
|
-8.30
|
-33.40
|
-35.20
|
-10.80
|
1973
|
-31.60
|
-39.60
|
-19.10
|
-10.90
|
8.00
|
14.90
|
19.30
|
15.80
|
7.80
|
-7.20
|
-29.80
|
-37.70
|
-9.40
|
1974
|
-37.80
|
-36.70
|
-19.30
|
-7.00
|
5.80
|
12.20
|
17.30
|
14.10
|
5.90
|
-11.00
|
-27.50
|
-40.50
|
-10.50
|
1975
|
-36.10
|
-33.60
|
-14.40
|
-4.90
|
8.00
|
18.30
|
17.90
|
13.00
|
4.40
|
-4.60
|
-24.30
|
-27.40
|
-7.10
|
1976
|
-36.00
|
-36.10
|
-21.00
|
-2.70
|
4.90
|
12.90
|
16.40
|
14.30
|
6.50
|
-10.00
|
-27.40
|
-37.90
|
-10.00
|
1977
|
-37.50
|
-35.80
|
-20.60
|
-6.70
|
7.40
|
14.60
|
15.10
|
12.10
|
3.50
|
-12.60
|
-29.70
|
-35.50
|
-10.60
|
1978
|
-43.30
|
-29.80
|
-17.50
|
-3.40
|
2.30
|
13.10
|
16.50
|
14.40
|
3.60
|
-6.90
|
-16.80
|
-36.90
|
-9.00
|
1979
|
-37.80
|
-36.20
|
-22.50
|
-8.80
|
4.80
|
14.20
|
16.40
|
12.50
|
4.40
|
-11.20
|
-31.70
|
-29.20
|
-10.90
|
1980
|
-36.90
|
-30.00
|
-23.00
|
-8.80
|
4.30
|
13.80
|
21.90
|
17.10
|
5.30
|
-6.70
|
-30.20
|
-36.30
|
-9.60
|
1981
|
-30.20
|
-32.40
|
-20.30
|
-4.50
|
7.00
|
15.60
|
17.40
|
13.60
|
3.30
|
-8.50
|
-27.90
|
-31.90
|
-8.60
|
1982
|
-40.00
|
-29.00
|
-22.20
|
-3.60
|
4.70
|
13.00
|
19.80
|
12.80
|
4.30
|
-12.60
|
-31.50
|
-38.00
|
-10.40
|
1983
|
-39.20
|
-32.80
|
-14.30
|
-8.60
|
6.00
|
15.10
|
17.50
|
16.50
|
8.70
|
-8.60
|
-17.30
|
-32.50
|
-7.60
|
1984
|
-33.60
|
-32.80
|
-20.80
|
-6.90
|
7.50
|
13.40
|
19.90
|
12.50
|
4.60
|
-10.70
|
-30.70
|
-33.70
|
-9.50
|
1985
|
-43.10
|
-32.90
|
-20.40
|
-5.30
|
6.10
|
15.40
|
16.20
|
14.40
|
5.20
|
-8.50
|
-21.70
|
-35.10
|
-9.60
|
1986
|
-38.80
|
-27.40
|
-19.00
|
-7.80
|
3.10
|
16.60
|
20.00
|
15.20
|
5.90
|
-4.90
|
-26.60
|
-34.30
|
-8.50
|
1987
|
-41.00
|
-29.60
|
-21.80
|
-8.50
|
0.80
|
7.90
|
17.00
|
13.90
|
3.80
|
-8.70
|
-32.40
|
-39.10
|
-11.70
|
1988
|
-37.30
|
-32.50
|
-20.50
|
-4.90
|
6.90
|
16.20
|
19.50
|
12.70
|
8.20
|
-4.30
|
-21.50
|
-28.00
|
-7.90
|
1989
|
-35.50
|
-29.30
|
-14.10
|
-8.20
|
6.10
|
13.20
|
16.20
|
13.40
|
4.80
|
-9.30
|
-26.40
|
-33.40
|
-8.40
|
1990
|
-41.00
|
-32.10
|
-8.20
|
-4.80
|
9.50
|
17.10
|
15.90
|
16.90
|
4.80
|
-4.40
|
-28.20
|
-32.70
|
-6.70
|
1991
|
-31.20
|
-32.20
|
-22.10
|
-5.60
|
4.30
|
11.20
|
21.10
|
15.90
|
6.50
|
-7.60
|
-26.70
|
-30.60
|
-8.70
|
1992
|
-33.80
|
-29.40
|
-19.40
|
-5.70
|
6.10
|
16.70
|
18.10
|
13.90
|
4.60
|
-4.40
|
-31.90
|
-29.80
|
-8.30
|
1993
|
-27.90
|
-26.40
|
-17.20
|
-8.50
|
5.80
|
14.80
|
19.80
|
14.30
|
5.50
|
-8.00
|
-27.70
|
-37.90
|
-7.80
|
1994
|
-46.10
|
-32.40
|
-19.80
|
-7.90
|
5.50
|
13.60
|
17.60
|
13.10
|
6.20
|
-4.30
|
-23.80
|
-36.00
|
-10.00
|
1995
|
-34.10
|
-24.10
|
-21.30
|
-9.00
|
2.90
|
16.90
|
17.10
|
15.70
|
6.00
|
-3.80
|
-25.80
|
-29.80
|
-8.10
|
1996
|
-37.50
|
-27.30
|
-20.00
|
-5.70
|
5.60
|
14.20
|
19.30
|
12.70
|
4.20
|
-10.00
|
-21.20
|
-39.60
|
-9.10
|
1997
|
-34.60
|
-30.00
|
-20.60
|
-4.80
|
8.10
|
16.80
|
20.10
|
16.30
|
4.80
|
-4.30
|
-25.00
|
-33.70
|
-7.70
|
1998
|
-38.40
|
-25.90
|
999.90
|
-6.20
|
3.20
|
18.50
|
19.00
|
18.10
|
3.90
|
-10.40
|
-30.90
|
-37.40
|
-8.50
|
1999
|
-34.30
|
-28.90
|
-26.00
|
-5.30
|
5.00
|
15.40
|
21.00
|
12.70
|
4.70
|
-10.50
|
-26.80
|
-33.40
|
-9.70
|