Year Dollars 1997-01-01 1052997 2002-01-01 459805 2003-01-01 517405 2004-01-01 217433 2005-01-01 743933 2006-01-01 910799 2007-01-01 423259 2008-01-01 583930 2009-01-01 951237 2010-01-01 1246996 2011-01-01 3802635 2012-01-01 3196099 2013-01-01 2728978 2014-01-01 3708081 2015-01-01 2190443 2016-01-01 2798281