Year Dollars 1992-01-01 5588470 1997-01-01 681069 2002-01-01 675804 2003-01-01 791583 2004-01-01 2461234 2005-01-01 1156124 2006-01-01 1465170 2007-01-01 2384420 2008-01-01 3789490 2009-01-01 2070972 2010-01-01 3202211 2011-01-01 3880936 2012-01-01 3620821 2013-01-01 833942 2014-01-01 3905922 2015-01-01 1474061 2016-01-01 813470