Year Dollars 1992-01-01 312250578 1997-01-01 398053668 2002-01-01 307321308 2003-01-01 347382377 2004-01-01 491336212 2005-01-01 406785814 2006-01-01 618905174 2007-01-01 768765594 2008-01-01 915496072 2009-01-01 825998722 2010-01-01 1210115345 2011-01-01 1126852561 2012-01-01 818970994 2013-01-01 1046677682 2014-01-01 1130233470