Year Dollars 1992-01-01 6174122 1997-01-01 16293193 2002-01-01 32638301 2003-01-01 31026176 2004-01-01 36265503 2005-01-01 37354926 2006-01-01 40303420 2007-01-01 63523610 2008-01-01 82028012 2009-01-01 86207415 2010-01-01 89688506 2011-01-01 78738029 2012-01-01 98471738 2013-01-01 86402275 2014-01-01 145953120 2015-01-01 118058974 2016-01-01 106945651