Year Dollars 1992-01-01 495058 1997-01-01 1638373 2002-01-01 2055919 2003-01-01 3992002 2004-01-01 981679 2005-01-01 1729392 2006-01-01 1333871 2007-01-01 1506534 2008-01-01 5766152 2009-01-01 3853848 2010-01-01 1234668 2012-01-01 1887227 2013-01-01 666729 2014-01-01 2405328 2015-01-01 798479 2016-01-01 778829