Year Dollars 1992-01-01 1175842 1997-01-01 3139585 2002-01-01 747684 2003-01-01 1244724 2004-01-01 1656149 2005-01-01 4121696 2006-01-01 5341442 2007-01-01 3317910 2008-01-01 4975340 2009-01-01 8891690 2010-01-01 25132131 2011-01-01 21948095 2012-01-01 10066864 2013-01-01 9239899 2014-01-01 15871097 2015-01-01 9707076 2016-01-01 13726253