20 October 1973 - 21 October 1973
1 September 1973 - 8 September 1973
31 March 1973 - 7 April 1973
28 October 1972 - 19 October 1972
2 September 1972 - 8 September 1972
26 August 1972 - 1 September 1972
5 April 1972 - 12 April 1972
2 October 1971 - 3 October 1971
28 August 1971 - 3 September 1971
31 March 1971 - 7 April 1971
