Jahr
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1960
4
1961
4
1962
4
1963
4
1964
4
1965
4
1966
4
1967
4
1968
4
1969
4
1970
4
1971
4
1972
4
1973
4
1974
4
1975
4
1976
4
1977
4
1978
4
1979
4
1980
4
1981
4
1982
4
1983
4
1984
4
1985
4
1986
4
1987
4
1988
4
1989
4
1990
4
1991
4
1992
4
1993
4
1994
4
1995
1905
3
1906
3
1907
3
1908
3
1909
3
1996
3
1903
1
1904
1
1997
1