1975
1981
1987
1987
1987
1975
1974
1981
1968
1974
1973
1987
1988
1979
1998
1979
1981
1994
1989
1989
1990
1977
1988
1982
1986
1973
1982
1976
1965
1986
1982
1984
1970
1987
1971
1988
1983
1972
1971
1992
1987
1981
1978
1971
1986
1975
1982
2014
2008
1982
1969
1970
1972
1976
1971
1990
1971
1969
1977
1987
1974
1980
1979
1979
1976
1987
1967
1965
1982
2013
1970
1981
1973
1972
1987
1971
1990
1993
1967
1982
1984
1985
1975
1977
1970
Comments