1989
1995
1971
1970
1985
1968
1978
1968
1981
1971
1977
1990
1981
1961
1980
1973
1972
1976
1969
1975
1986
1980
1970
1971
2003
1992
1990
1971
1974
1974
1973
1970
1993
1999
1997
1972
1978
1970
1994
1993
1984
1963
1963
2007
1986
1968
1975
1978
1966
1972
1966
1970
1965
1964
1986
1988
1992
1977
1987
1987
Comments