January 10 to March 19, 1980 (70 days)
July 21 to August 07, 1979 (18 days)
June 14 to July 20, 1979 (37 days)
April 01 to April 11, 1979 (11 days)
February 15 to April 21, 1979 (66 days)
January 01 to January 07, 1979 (7 days)
November 30, 1978 to February 07, 1979 (70 days)
November 02 to December 01, 1978 (30 days)
October 13 to November 14, 1978 (33 days)
February 02 to September 27, 1978 (238 days)
December 02, 1977 to February 01, 1978 (62 days)
December 09, 1976 to February 09, 1977 (63 days)
November 18 to December 08, 1976 (21 days)
July 16 to November 17, 1976 (125 days)
July 08 to July 15, 1976 (8 days)
June 04 to July 07, 1976 (34 days)
May 12 to June 03, 1976 (23 days)
April 16 to May 11, 1976 (26 days)
February 27 to April 15, 1976 (49 days)
February 20 to February 26, 1976 (7 days)
June 26 to July 10, 1975 (15 days)
September 16, 1974 to June 25, 1975 (283 days)
September 09 to September 15, 1974 (7 days)
July 04 to September 08, 1974 (67 days)
January 10 to February 24, 1974 (46 days)
September 21 to October 04, 1973 (14 days)
July 04 to September 20, 1973 (79 days)
July 02 to July 03, 1973 (2 days)
June 18 to July 01, 1973 (14 days)
May 10 to June 17, 1973 (39 days)
February 08 to May 09, 1973 (91 days)
November 27, 1972 to February 07, 1973 (73 days)
November 20 to November 26, 1972 (7 days)
October 23 to November 19, 1972 (28 days)
July 09 to August 23, 1972 (46 days)
May 14 to July 08, 1972 (56 days)
April 10 to May 13, 1972 (34 days)
December 02, 1971 to April 16, 1972 (137 days)
November 11 to November 24, 1971 (14 days)
October 28 to November 10, 1971 (14 days)
August 11 to October 27, 1971 (78 days)
August 04 to August 10, 1971 (7 days)
May 27 to August 03, 1971 (69 days)
April 08 to May 26, 1971 (49 days)
January 21 to April 07, 1971 (77 days)
January 13 to January 20, 1971 (8 days)
January 04 to January 12, 1971 (9 days)
August 20 to October 25, 1970 (67 days)
June 24 to August 19, 1970 (57 days)
June 17 to June 23, 1970 (7 days)
April 04 to May 20, 1970 (47 days)
October 21, 1969 to April 03, 1970 (165 days)
October 13 to October 20, 1969 (8 days)
October 06 to October 12, 1969 (7 days)
August 20 to October 05, 1969 (47 days)
July 31 to August 19, 1969 (20 days)
July 23 to July 30, 1969 (8 days)
June 08 to July 22, 1969 (45 days)
December 17, 1968 to June 07, 1969 (173 days)
