8 April 1992 - 15 April 1992
11 October 1991 - 13 October 1991
13 September 1991 - 15 September 1991
19 July 1991 - 24 July 1991
17 July 1991 - 18 July 1991
3 April 1991 - 9 April 1991
9 November 1990 - 11 November 1990
21 September 1990 - 23 September 1990
10 August 1990 - 14 October 1990
1 August 1990 - 8 August 1990