Year Dollars 1992-01-01 86887547 1997-01-01 55673943 2002-01-01 63378270 2003-01-01 66166766 2004-01-01 87830818 2005-01-01 164083663 2006-01-01 140533473 2007-01-01 225491430 2008-01-01 235291705 2009-01-01 171229810 2010-01-01 130322561 2011-01-01 138847232 2012-01-01 93812344 2013-01-01 98861459 2014-01-01 65442201 2015-01-01 75711862 2016-01-01 45451127