Year Dollars 1992-01-01 442909 1997-01-01 4164595 2002-01-01 2688567 2003-01-01 3764864 2004-01-01 6623047 2005-01-01 9725013 2006-01-01 22032253 2007-01-01 76456948 2008-01-01 75337183 2009-01-01 157962993 2010-01-01 55415022 2011-01-01 52482457 2012-01-01 38166273 2013-01-01 36166376 2014-01-01 41643358 2015-01-01 46906930 2016-01-01 36099826