1964
1967
1973
1979
1984
1986
1982
1987
1987
1988
1989
1967
1967
1968
1968
1968
1969
1973
1975
1976
1978
1980
1980/82
1983/84/87/88
1984
1984
1984
1985
1985
1985
1986
1986
1986
1986
1986
1986
1986
1987
1987
1987
1987
1987
1987
1988
1988
1989
1988
1988
1989
1989
1989
1989