Year Dollars 1992-01-01 43107907 1997-01-01 193338584 2002-01-01 562261324 2003-01-01 689010948 2004-01-01 645231058 2005-01-01 665205425 2006-01-01 726000646 2007-01-01 868216324 2008-01-01 966650816 2009-01-01 638770145 2010-01-01 778002051 2011-01-01 1061686229 2012-01-01 751192304 2013-01-01 747869772 2014-01-01 833497097 2015-01-01 853405956 2016-01-01 830871262