1978
1977
1978
1981
1985
1984
1976
1982
1978
1983
1967
1988
1976
1967
1974
1981
1980
1976
1976
1973
1979
1980
1983
1991
1978
1975
1990
1979
1973
1978
1976
1979
1977
1965
1983
1974
1978
1969
1959
1976
1980
1979
1967
1970
1979
1980
1975
1973
1977
1973
1970
1983
1973
1967
1976
1979
1967
1972
1972
1974
1983
1974
1983
1979
1971
1979
1976
1975
1971
1975
1981
1958
1980
1982
1981
1977
1975
1976
1966
1978
1980
1974
1967
1968
1966
1967
1967
1975
1976
1976
1970
1981
1971
1971
1978
1974
1973
1969
1982
1968
1975
1982
1979
1968
1977
1971
1965
1981
1976
1980
1976
1982
1991
1979
1970
1982
1983
1982
1980
1978
1979
1992
1981
1979
1973
1985
1970
1981
1974
1972
1967
1979
1977
1974
1972
1980
1979
1976
1975
1983
1965
1978
1978
Comments