Year Dollars 1992-01-01 1906574 1997-01-01 929848 2002-01-01 358845 2003-01-01 342738 2004-01-01 846901 2005-01-01 859862 2006-01-01 1805054 2007-01-01 3304934 2008-01-01 3048138 2009-01-01 2595253 2010-01-01 2817991 2011-01-01 3831116 2012-01-01 3974701 2013-01-01 1847570 2014-01-01 2969223 2015-01-01 2737382 2016-01-01 3697930