1977
1972
1976
1974
1974
1973
1973
1974
1975
1976
1976
2009
1977
1977
1978
1974
1977
1972
1977
1981
1978
1977
1977
1978
1980
2021
2000
1976
1996
1973
1982
1974
1978
1976
1978
1976
1978
2011
1977
1992
2000
2004
2004
1989
1985
1997
1973
1988
1988
1990
1990
1986
1992
2010
1993
2012
1994
1983
1984
1977
1995
1987
1994
1997
1980
1981
1988
1983
1984
1999
1981
1986
1989
1976
2000
2016
1978
1996
2011
2001
1975
1994
1986
1983
1985
2014
1995
1989
2007
2006
1979
1978
2004
2002
2011
1972
1988
1985
Comments