Year Dollars 1992-01-01 6509536 1997-01-01 33719776 2002-01-01 19667827 2003-01-01 64815668 2004-01-01 26623192 2005-01-01 30078604 2006-01-01 25531286 2007-01-01 38891296 2008-01-01 51273792 2009-01-01 48196729 2010-01-01 96265867 2011-01-01 68209389 2012-01-01 75987543 2013-01-01 52875441 2014-01-01 54225481 2015-01-01 53249991 2016-01-01 53629432