Year Dollars 1992-01-01 398436 1997-01-01 735217 2003-01-01 2440101 2004-01-01 1349868 2005-01-01 1350581 2006-01-01 9668726 2007-01-01 2767498 2008-01-01 14269035 2009-01-01 4354103 2010-01-01 4877571