11 Feb-13 Feb 1992

18 Jun-20 Jun 1991

17 Sep-20 Sep 1990

26 Jun-28 Jun 1990

10 May-12 May 1989

08 Mar-10 Mar 1988

05 May-07 May 1987

15 Oct-16 Oct 1985

16 Oct-18 Oct 1984

19 Oct-20 Oct 1983