Year Dollars 1992-01-01 2604491 1997-01-01 4059940 2002-01-01 2034951 2003-01-01 3439841 2004-01-01 2103060 2005-01-01 3620652 2006-01-01 6191664 2007-01-01 3018953 2008-01-01 1985713 2009-01-01 2396656 2010-01-01 3043573 2011-01-01 1393603