1970
1977
1970
2001
2010
1975
1975
1975
1985
2000
1970
1981
1980
1971
2021
1994
1974
1982
1987
1970
1977
2004
1989
1978
1977
1981
1982
1979
1976
1980
1974
1980
1983
1973
1976
1971
1975
1985
1993
1971
1999
1999
1972
1970
1974
2005
1974
Comments