1981
1982
1979
1971
1971
1983
1976
1976
1976
1975
1975
1974
1973
1976
1973
1983
1973
1979
1980
1972
1972
1995
1972
1989
1972
1980
1977
1996
1980
1975
1990
1975
1988
1970
1978
2000
1973
1978
1973
1990
1978
1976
1976
1980
1979
1979
1971
1972
1988
1992
1968
1978
1971
1977
1978
1967
1998
1981
1973
1973
1987
1970
1970
1978
1971
1969
1969
1979
1972
1977
1970
1977
1978
1985
1990
2002
1988
1974
1980
1989
1972
1975
1977
1987
1977
1999
1994
1989
1972
1975
1983
1974
1967
Comments