Year Dollars 1992-01-01 888937 1997-01-01 2061208 2002-01-01 4327800 2003-01-01 8524142 2004-01-01 19173896 2005-01-01 9230675 2006-01-01 14175404 2007-01-01 16457535 2008-01-01 29479556 2009-01-01 33973953 2010-01-01 55406032 2011-01-01 146924040 2012-01-01 64053156 2013-01-01 59588202 2014-01-01 114059631 2015-01-01 51995769 2016-01-01 32969622