1965 – 1976
March 21 – June 20 1974
June 21 – September 20 1974
September 21 – December 20 1974
December 21 1974 – March 20 1975
March 21 – June 20 1975
June 21 – September 20 1975
September 21 – December 20 1975
December 21 1975 – March 20 1976
March 21 – June 20 1976
June 21 – September 20 1976
September 21 – December 20 1976
December 21 1976 – March 20 1977
March 21 – June 20 1977
June 21 – September 20 1977
September 21 – December 20 1977
December 21 1977 – March 20 1978
1977 – 1982
March 21 – June 20 1978
June 21 – September 20 1978
September 21 – December 20 1978
December 21 1978 – March 20 1979
March 21 – June 20 1979
June 21 – September 20 1979
September 21 – December 20 1979
December 21 1979 – March 20 1980
December 21 1969 – March 20 1970
March 21 – June 20 1970
June 21 – September 20 1970
September 21 – December 20 1970
December 21 1970 – March 20 1971
March 21 – September 20 1971
September 21 – December 20 1971
December 21 1971 – March 20 1972
March 21 – June 20 1972
June 21 – September 20 1972
