Year Dollars 1992-01-01 16413356 1997-01-01 20909836 2002-01-01 15585104 2003-01-01 17248068 2004-01-01 19502098 2005-01-01 44704581 2006-01-01 39603735 2007-01-01 48099698 2008-01-01 63760197 2009-01-01 40022222 2010-01-01 30455601 2011-01-01 40111958 2012-01-01 36620691 2013-01-01 34616186 2014-01-01 42974232 2015-01-01 47415887 2016-01-01 38205557