27 October 1979 - 28 October 1979
22 September 1979 - 23 September 1979
19 August 1979 - 31 August 1979
4 April 1979 - 11 April 1979
11 November 1978 - 12 November 1978
20 August 1978 - 25 August 1978
5 April 1978 - 12 April 1978
19 November 1977 - 22 November 1977
1 October 1977 - 2 October 1977
30 July 1977 - 5 August 1977
