Year Dollars 1992-01-01 4123996 1997-01-01 6906901 2002-01-01 4402281 2003-01-01 4745678 2004-01-01 2923260 2005-01-01 5042987 2006-01-01 2769088 2007-01-01 2626831 2008-01-01 3656201 2009-01-01 5317605 2010-01-01 3281030 2011-01-01 7474599 2012-01-01 7498108 2013-01-01 6954692 2014-01-01 23349926 2015-01-01 10138004 2016-01-01 11115680