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Volume 1 (1 Aug
1985 - 31 Jan 1986) 45 issues
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Volume 2 (1 Feb
1986 - 30 May 1986) 56 issues
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Volume 3 (4 Jun
1986 - 30 Oct 1986) 91 issues
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Volume 4 (2 Nov
1986 - 6 Jun 1987) 96 issues
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Volume 5 (7 Jun
1987 - 31 Dec 1987) 84 issues
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Volume 6 (2 Jan
1988 - 31 May 1988) 94 issues
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Volume 7 (1 Jun
1988 - 22 Dec 1988) 98 issues
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Volume 8 (4 Jan
1989 - 29 Jun 1989) 87 issues
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Volume 9 (6 Jul
1989 - 30 May 1990) 97 issues
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Volume 10 (1 Jun
1990 - 31 Jan 1991) 85 issues
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Volume 11 (4 Feb
1991 - 28 Jun 1991) 95 issues
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Volume 12 (1 Jul
1991 - 24 Dec 1991) 71 issues
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Volume 13 (6 Jan
1992 - 2 Nov 1992) 89 issues
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Volume 14 (4 Nov
1992 - 27 Aug 1993) 89 issues
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Volume 15 (2 Sep
1993 - 29 Apr 1994) 81 issues
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Volume 16 (2 May
1994 - 22 Mar 1995) 96 issues
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Volume 17 (27 Mar
1995 - 1 Apr 1996) 96 issues
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Volume 18 (5 Apr 1996 - 31 Mar 1997) 96 issues
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Volume 19 (1 Apr
1997 - 23 Sep 1998) 97 issues
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Volume 20 (1 Oct
1998 - 31 Jul 2000) 98 issues
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Volume 21 (15
Aug 2000 - 29 Mar 2002) 98 issues
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Volume 22 (1 Apr
2002 - 27 Oct 2003) 98 issues
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Volume 23 (7 Nov
2003 - 2 Aug 2005) 96 issues
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Volume 24 (10 Aug
2005 - 30 Dec 2007) 93 issues
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Volume 25 (7 Jan
2008 - 1 Apr 2010) 98 issues
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Volume 26 (8 Apr 2010 - 20 Aug 2012) 98 issues