Year Dollars 1992-01-01 43082201 1997-01-01 107802617 2002-01-01 82254110 2003-01-01 64753263 2004-01-01 76188771 2005-01-01 79252075 2006-01-01 99489990 2007-01-01 112266800 2008-01-01 157087385 2009-01-01 107335399 2010-01-01 149780573 2011-01-01 222712744 2012-01-01 265546400 2013-01-01 296143807 2014-01-01 250637550 2015-01-01 182648984 2016-01-01 150384559