Date Span
Jan 1983
1
1 Jun 1981
1
11 Aug 1987
1
11 Nov 1988
1
14 Sep 1986
1
17 Apr 1985
1
17 Oct 1986
1
19 Jul 1982
1
1968-1970
1
1974
1
2 Feb 1987
1
2 Oct 1986
1
20 Apr 1982
1
20 Jan 1987
1
21 Dec 1988
1
24 Feb 1987
1
25 Jul 1990
1
26 Feb 1982
1
27 Jan 1987
1
28 Feb 1989
1
29 Nov 1984
1
31 Jan 1983
1
6 Feb 1986
1
7 Aug 1987
1
9 Feb 1987
1
Aug 1991-Feb 1992
1
Dec 1991-Mar 1992
1
Feb 1988-Sep 1989
1
Feb-Dec 1984
1
Jan 1984-Nov 1989
1
Jan-Dec 1985
1
Jan-Dec 1986
1
Jan-Dec 1987
1
Jun 1989-Aug 1991
1
May 1988-Oct 1991
1
Sep 1980-Feb 1987
1
[1988-1989]
1