Refine Pub Year
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2007 (152,324)
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2008 (142,757)
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2006 (134,442)
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2005 (134,064)
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2004 (131,314)
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2009 (128,154)
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2002 (127,870)
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2000 (127,461)
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2010 (127,047)
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2003 (126,426)
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2001 (119,339)
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1999 (116,788)
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2011 (113,801)
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1997 (113,621)
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1998 (111,734)
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1994 (108,708)
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1996 (107,664)
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1995 (105,398)
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1993 (101,269)
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1992 (100,627)