Year Dollars 1992-01-01 602003 1997-01-01 700175 2003-01-01 1557462 2004-01-01 682147 2005-01-01 1244363 2006-01-01 851774 2007-01-01 895738 2008-01-01 744595 2009-01-01 1728164 2010-01-01 1196874 2011-01-01 1469437 2012-01-01 749274 2013-01-01 1903215 2014-01-01 3421558 2015-01-01 5902253 2016-01-01 4039561