Year Dollars 1992-01-01 368856 1997-01-01 634650 2002-01-01 215402 2003-01-01 748592 2004-01-01 435067 2005-01-01 2700866 2006-01-01 2914816 2007-01-01 1808474 2008-01-01 2060232 2009-01-01 1938241 2010-01-01 1744713 2011-01-01 26716343 2014-01-01 21815148 2015-01-01 3760659 2016-01-01 10179518