Year Dollars 1992-01-01 14466418 1997-01-01 15797127 2002-01-01 23276666 2003-01-01 21660402 2004-01-01 23918074 2005-01-01 90334998 2006-01-01 18583841 2007-01-01 90480164 2008-01-01 256061391 2009-01-01 53169893 2010-01-01 118175122 2011-01-01 31445153