1951
0.0
|
|
1952
0.0
|
|
1953
0.0
|
|
1954
0.0
|
|
1955
1.0
|
|
1956
2.0
|
|
1957
0.0
|
|
1958
0.0
|
|
1959
0.0
|
|
1960
0.0
|
|
1961
0.0
|
|
1962
0.0
|
|
1963
0.0
|
|
1964
0.0
|
|
1965
0.0
|
|
1966
1.0
|
|
1967
1.0
|
|
1968
0.0
|
|
1969
0.0
|
|
1970
0.0
|
|
1971
0.0
|
|
1972
0.0
|
|
1973
2.0
|
|
1974
0.0
|
|
1975
1.0
|
|
1976
0.0
|
|
1977
0.0
|
|
1978
1.0
|
|
1979
0.0
|
|
1980
0.0
|
|
1981
0.0
|
|
1982
0.0
|
|
1983
0.0
|
|
1984
0.0
|
|
1985
7.0
|
|
1986
6.0
|
|
1987
4.0
|
|
1988
4.0
|
|
1989
1.0
|
|
1990
12.0
|
|
1991
8.0
|
|
1992
12.0
|
|
1993
7.0
|
|
1994
6.0
|
|
1995
6.0
|
|
1996
10.0
|
|
1997
12.0
|
|
1998
12.0
|
|
1999
20.0
|
|
2000
0.0
|
|