Year Dollars 1992-01-01 450909 1997-01-01 1976596 2002-01-01 1089863 2003-01-01 573830 2004-01-01 1130194 2005-01-01 1550171 2006-01-01 981295 2007-01-01 1870322 2008-01-01 2022749 2009-01-01 1880171 2010-01-01 2932213 2011-01-01 4325922 2012-01-01 3915202 2013-01-01 4673085 2014-01-01 9731680 2015-01-01 5813460 2016-01-01 2934375