Year Dollars 1992-01-01 3125097 1997-01-01 26152252 2002-01-01 3214543 2003-01-01 975737 2004-01-01 1152690 2005-01-01 2164534 2006-01-01 3140507 2007-01-01 5295753 2008-01-01 11755576 2009-01-01 10685036 2010-01-01 17350158 2011-01-01 26385115 2012-01-01 23224229 2013-01-01 32438832 2014-01-01 34337677 2015-01-01 23283667 2016-01-01 24361521