Year Dollars 1992-01-01 957981 1997-01-01 891687 2002-01-01 676862 2003-01-01 807942 2004-01-01 2104230 2005-01-01 1104481 2006-01-01 1508038 2007-01-01 4548329 2008-01-01 1664147 2009-01-01 1833254 2010-01-01 4064451 2011-01-01 2517052 2012-01-01 3237649 2013-01-01 7856943 2014-01-01 10650684 2015-01-01 4709599 2016-01-01 2800625