Year Dollars 1992-01-01 775758 1997-01-01 657294 2003-01-01 651863 2004-01-01 1051910 2005-01-01 1031017 2006-01-01 6126098 2007-01-01 2784428 2008-01-01 5078270 2009-01-01 3259796 2010-01-01 6296533 2011-01-01 9316936 2012-01-01 13277957 2013-01-01 15606491 2014-01-01 22383925 2015-01-01 49870843 2016-01-01 35548420