Year Dollars 1992-01-01 78085879 1997-01-01 189621252 2002-01-01 190984751 2003-01-01 274506395 2004-01-01 247814925 2005-01-01 225268582 2006-01-01 282940746 2007-01-01 499853146 2008-01-01 627778114 2009-01-01 520905820 2010-01-01 799198875 2011-01-01 844205963 2012-01-01 801325873 2013-01-01 1016775357 2014-01-01 766676374 2015-01-01 549723559 2016-01-01 445706927