13x06: 18 October 1972
13x04: 14 August 1972
13x03: 28 June 1972
13x02: 22 May 1972
13x01: 5 April 1972
12x200: 1 December 1971
12x64: 11 August 1971
12x61: 2 August 1971
12x54: 7 July 1971
12x60: 2 June 1971
12x50: 14 April 1971
12x08: 27 January 1971
11x50: 22 July 1970
11x39: 18 May 1970