Year Dollars 1992-01-01 3790495 1997-01-01 61179301 2002-01-01 66984533 2003-01-01 72561759 2004-01-01 109978216 2005-01-01 102497765 2006-01-01 74590097 2007-01-01 122015151 2008-01-01 134518413 2009-01-01 83163475 2010-01-01 144095645 2011-01-01 209936510 2012-01-01 167985543 2013-01-01 107956110 2014-01-01 153051634 2015-01-01 188305291 2016-01-01 149477469