Year Dollars 1992-01-01 75089259 1997-01-01 253889258 2002-01-01 313012136 2003-01-01 536766510 2004-01-01 645768432 2005-01-01 779907672 2006-01-01 972678483 2007-01-01 889222430 2008-01-01 897243495 2009-01-01 558778737 2010-01-01 554315155 2011-01-01 726314535 2012-01-01 807796145 2013-01-01 858852205 2014-01-01 973237223 2015-01-01 1036878453 2016-01-01 1034935880