Year Dollars 1992-01-01 148040818 1997-01-01 208036124 2002-01-01 435657046 2003-01-01 396241402 2004-01-01 442144197 2005-01-01 501769011 2006-01-01 594900362 2007-01-01 682779827 2008-01-01 1024304429 2009-01-01 1019418788 2010-01-01 1173461837 2011-01-01 1159744778 2012-01-01 1156730155 2013-01-01 1215536688 2014-01-01 1205890179 2015-01-01 895673877 2016-01-01 667153121