Year Dollars 1992-01-01 6253061 2002-01-01 8200507 2003-01-01 5467572 2004-01-01 4032580 2005-01-01 1733520 2006-01-01 2639284 2007-01-01 3407837 2008-01-01 4922145 2009-01-01 5614853 2010-01-01 8675164 2011-01-01 1543728 2012-01-01 1030845 2013-01-01 928827 2014-01-01 849109 2015-01-01 739999 2016-01-01 791959