Year Dollars 1992-01-01 5114518 1997-01-01 2468082 2002-01-01 1280971 2003-01-01 2215779 2004-01-01 1362193 2005-01-01 934323 2006-01-01 1357450 2007-01-01 1147108 2008-01-01 1320202 2009-01-01 882549 2010-01-01 2183125 2011-01-01 2583073 2012-01-01 3629760 2013-01-01 3693311 2014-01-01 1712521 2015-01-01 2729669 2016-01-01 1850212