| 1998 |  v1 #1 Summer |
 v1 #2 Autumn |
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| 1999 |  v1 #3 Winter |
 v1 #4 Spring |
 v2 #1, #5 Summer/Fall |
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| 2000 |  v2 #2, #6 Winter |
 v2 #3, #7 Fall |
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| 2001 |  v2 #4, #8 Spring/Summer |
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| 2002 |  v3 #1, #9 Winter/Spring |
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| 2003 |  v3 #2, #10 Winter/Spring |
 v3 #3, #11 Summer/Fall |
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| 2004 |  v3 #4, #12 Winter/Spring |
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| 2005 |  v4 #1, #13 Winter/Spring |
 v4 #2, #14 Summer/Fall |
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| 2006 |  v4 #3, #15 Summer/Fall |
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| 2007 |  v4 #4, #16 Winter/Spring |
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| 2008 |  v5 #1, #17 Winter/Spring |
 v5 #2, #18 Summer/Fall |
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| 2009 | v5 #3, #19 Winter/Spring |
 v5 #4, #20 Summer/Fall |
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| 2010 |  v6 #1, #21 Winter/Spring/Summer |
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| 2011 |  v6 #2, #22 Summer/Fall |
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| 2012 | ||||
| 2013 |  #23 |
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