Year Dollars 1992-01-01 3043585 1997-01-01 159281 2002-01-01 1915239 2003-01-01 3781897 2005-01-01 1679600 2008-01-01 19014870 2009-01-01 1745129 2010-01-01 608395 2011-01-01 2297896 2012-01-01 1977764 2013-01-01 4223856 2014-01-01 1780117 2016-01-01 2723201