Year Dollars 1992-01-01 527686109 1997-01-01 1790775996 2002-01-01 299570504 2003-01-01 426150603 2004-01-01 358297192 2005-01-01 453407124 2006-01-01 639084087 2007-01-01 700294592 2008-01-01 722067188 2009-01-01 485877268 2010-01-01 611769286 2011-01-01 824611205 2012-01-01 900212194 2013-01-01 848051498 2014-01-01 652892559 2015-01-01 536267644 2016-01-01 613634245