Year Dollars 1997-01-01 851253 2002-01-01 8859110 2003-01-01 9920126 2004-01-01 10426931 2005-01-01 8806121 2006-01-01 12325535 2007-01-01 13606163 2008-01-01 5324030 2010-01-01 492285 2012-01-01 920200 2014-01-01 774033 2015-01-01 2488697 2016-01-01 1799792