1979
1982
1984
1984
1977
1977
1985
1984
1985
1977
1977
1981
1982
1979
1978
1984
1985
1977
1984
1977
1975
1983
1981
1981
1979
1984
1981
1977
1985
1970
1982
1977
1981
1986
1987
1985
1977
1978
1987
1985
1977
1976
1976
1982
2012
1985
1985
1982
1984
1977
1984
1985
1978
1982
1984
1979
1985
1984
1987
1986
1989
1982
1985
1984
1984
1984
1976
1976
1983
1980
1978
1983
1976
1982
1978
1982
1981
1976
1985
1986
1980
1979
1979
1984
1985
1981
1986
1977
1981
1977
1977
1985
1978
1980
1985
1980
1981
1976
1976
1978
1983
1981
1983
1982
1978
1979
1984
1980
1981
1985
1984
1983
1978
1984
1984
1984
1981
1978
1978
1978
1987
1985
1978
1976
1977
1982
1978
1977
1980
1978
1978
1978
1978
1982
1982
1984
1983
1981
1981
2002
Comments