Year Dollars 1992-01-01 3391436 1997-01-01 12242196 2002-01-01 12258073 2003-01-01 13507392 2004-01-01 10276971 2005-01-01 6953255 2006-01-01 6877298 2007-01-01 11313933 2008-01-01 13177762 2009-01-01 14620185 2010-01-01 27922480 2011-01-01 29262076 2012-01-01 16003392 2013-01-01 5513010 2014-01-01 4762831 2015-01-01 2401661 2016-01-01 2382578