1967
1971
1967
1968
1981
1985
1981
1984
1986
2004
1971
1969
1972
1974
1975
1969
1988
2001
1994
1969
2017
2017
1961
1983
1983
1991
1977
2003
1996
2001
1986
2001
1973
1995
1985
1996
1988
1996
2001
1974
1967
1992
1988
1978
2000
1975
1974
2000
1987
2001
1989
1972
1983
1998
1969
2001
1998
1969
1988
1993
1964
1966
1983
1975
1980
1977
1968
1990
1990
1975
1977
1995
1998
1994
1991
1997
Comments