Year Dollars 1992-01-01 15657928 1997-01-01 24083108 2002-01-01 40650582 2003-01-01 44504300 2004-01-01 64271936 2005-01-01 64700445 2006-01-01 52898016 2007-01-01 60950076 2008-01-01 103856972 2009-01-01 49068449 2010-01-01 79798725 2011-01-01 45324268 2012-01-01 59153758 2013-01-01 104013700 2014-01-01 87972567 2015-01-01 76058853 2016-01-01 68585212