Year Dollars 1997-01-01 1190233 2002-01-01 476306 2003-01-01 1101011 2004-01-01 3157558 2005-01-01 2079658 2006-01-01 3208214 2007-01-01 3199054 2008-01-01 3506370 2009-01-01 3086059 2010-01-01 7320939 2011-01-01 2517423 2012-01-01 2809881 2013-01-01 2272317 2014-01-01 3627657 2015-01-01 3093665 2016-01-01 3512222