Year Dollars 1992-01-01 34113 1997-01-01 636629 2002-01-01 320129 2003-01-01 548930 2004-01-01 532307 2005-01-01 563880 2006-01-01 3623208 2007-01-01 885765 2008-01-01 5807114 2009-01-01 6094901 2010-01-01 2889506 2011-01-01 1200659 2012-01-01 3365010 2013-01-01 2642856 2014-01-01 1604277 2015-01-01 2003787 2016-01-01 909759