Year Dollars 1992-01-01 1094116 1997-01-01 947652 2002-01-01 1392165 2003-01-01 2479980 2004-01-01 3872121 2005-01-01 8377002 2006-01-01 3624374 2007-01-01 4502491 2008-01-01 6263681 2009-01-01 7865719 2010-01-01 4642520 2011-01-01 5517060 2012-01-01 6193987 2013-01-01 4753904 2014-01-01 7782304 2015-01-01 4849914 2016-01-01 7049724