August 09 to October 18, 1980 (71 days)
June 07 to August 08, 1980 (63 days)
December 29, 1979 to June 06, 1980 (161 days)
October 23 to December 28, 1979 (67 days)
June 08 to October 22, 1979 (137 days)
May 11 to June 07, 1979 (28 days)
March 03 to May 10, 1979 (69 days)
July 15 to August 12, 1978 (29 days)
June 24 to July 14, 1978 (21 days)
May 13 to June 23, 1978 (42 days)
April 01 to May 12, 1978 (42 days)
January 14 to March 31, 1978 (77 days)
December 03, 1977 to January 07, 1978 (36 days)
September 17 to November 11, 1977 (56 days)
July 16 to September 16, 1977 (63 days)
April 16 to July 15, 1977 (91 days)
March 12 to April 15, 1977 (35 days)
February 07, 1976 to February 11, 1977 (371 days)
September 03, 1975 to February 06, 1976 (157 days)
April 05 to July 01, 1975 (88 days)
January 25 to April 04, 1975 (70 days)
October 12, 1974 to January 24, 1975 (105 days)
April 20 to October 11, 1974 (175 days)
March 30 to April 19, 1974 (21 days)
December 29, 1973 to March 29, 1974 (91 days)
April 28 to December 28, 1973 (245 days)
February 17 to April 27, 1973 (70 days)
February 12, 1972 to February 16, 1973 (371 days)
November 06, 1971 to February 11, 1972 (98 days)
September 18 to November 05, 1971 (49 days)
July 31 to September 17, 1971 (49 days)
June 05 to July 30, 1971 (56 days)
July 11, 1970 to June 04, 1971 (329 days)
August 09, 1969 to July 10, 1970 (336 days)
May 10 to June 06, 1969 (28 days)
September 14, 1968 to May 09, 1969 (238 days)
July 04 to September 13, 1968 (72 days)
April 13 to July 03, 1968 (82 days)
February 17 to April 12, 1968 (56 days)
December 02, 1967 to February 16, 1968 (77 days)
March 11 to December 01, 1967 (266 days)
June 25, 1966 to March 10, 1967 (259 days)
June 04 to June 24, 1966 (21 days)
February 19 to June 03, 1966 (105 days)
November 13, 1965 to February 18, 1966 (98 days)
October 16 to November 12, 1965 (28 days)
October 25, 1964 to October 15, 1965 (356 days)
February 29 to October 24, 1964 (239 days)
January 25 to February 28, 1964 (35 days)
June 29, 1963 to January 24, 1964 (210 days)
April 20 to June 28, 1963 (70 days)
January 26 to April 19, 1963 (84 days)
November 11 to December 08, 1961 (28 days)
