Year Dollars 1992-01-01 241236 1997-01-01 1467689 2002-01-01 352928 2003-01-01 701627 2004-01-01 933163 2005-01-01 1458426 2006-01-01 973130 2007-01-01 439803 2008-01-01 4535605 2009-01-01 3044366 2010-01-01 4324915 2011-01-01 8222034 2012-01-01 6306430 2013-01-01 6797575 2014-01-01 5345177 2015-01-01 4496172 2016-01-01 6780522