May 30, 1970 June 27, 1970 July 18, 1970 August 8, 1970 September 19, 1970 November 11, 1970 December 5, 1970 December 26, 1970
January 16, 1971 February 6, 1971 February 27, 1971 March 6, 1971 March 20, 1971 April 10, 1971 May 5, 1971 May 22, 1971 June 12, 1971
January 8, 1972 February 26, 1972 March 18, 1972 September 1, 1972 September 22, 1972 October 6, 1972 October 27, 1972 November 10, 1972 December 1, 1972 December 12, 1972
January 12, 1973 February 2, 1973 February 23, 1973 March 16, 1973 April 6, 1973 April 19, 1973 May 18, 1973 June 8, 1973 July 6, 1973 July 20, 1973 August 10, 1973 August 31, 1973 September 21, 1973 October 12, 1973 November 2, 1973 November 23, 1973 December 14, 1973
January 11, 1974 February 1, 1974 February 22, 1974 March 15, 1974 April 5, 1974 April 26, 1974 May 17, 1974 June 7, 1974 July 19, 1974 August 9, 1974 August 23, 1974 September 13, 1974 September 27, 1974 October 11, 1974 November 1, 1974 November 22, 1974 December 13, 1974
January 3, 1975 January 24, 1975 February 14, 1975 March 7, 1975 March 28, 1975 April 18, 1975 May 9, 1975 May 30, 1975 June 20, 1975 July 18, 1975 August 8, 1975 September 5, 1975 September 19, 1975 October 10, 1975 October 31, 1975
January 2, 1976 January 23, 1976 February 13, 1976 March 5, 1976 April 2, 1976 April 23, 1976 May 14, 1976 June 25, 1976 July 16, 1976 August 13, 1976 September 3, 1976 September 24, 1976 October 15, 1976 November 5, 1976 December 3, 1976 December 31, 1976
January , 1977 January , 1977 February , 1977 March , 1977 February , 1977 March , 1977 March , 1977 May , 1977 June, 1977 June , 1977 July , 1977 August , 1977 August , 1977 September , 1977
January 6, 1978 January 27, 1978 February 17, 1978 March 10, 1978 March 31, 1978 May 12, 1978 June 2, 1978 June 23, 1978 July 14, 1978 August 4, 1978 August 25, 1978 September 15, 1978 October 6, 1978 October 27, 1978 November 17, 1978