Year Dollars 1992-01-01 1780409 1997-01-01 1546951 2002-01-01 783845 2003-01-01 1734175 2005-01-01 2178266 2007-01-01 32926001 2008-01-01 1822482 2009-01-01 1338028 2010-01-01 14836271 2011-01-01 2939219 2012-01-01 50344775 2015-01-01 10385110 2016-01-01 7547948