Year Dollars 1992-01-01 34281141 1997-01-01 22599899 2002-01-01 28920083 2003-01-01 44019388 2004-01-01 44646427 2005-01-01 40491805 2006-01-01 41468359 2007-01-01 35816547 2008-01-01 31502416 2009-01-01 33785826 2010-01-01 35971934 2011-01-01 34290164 2012-01-01 33202875 2013-01-01 52442471 2014-01-01 51708577 2015-01-01 41911383 2016-01-01 36234046