Year Dollars 1992-01-01 688744 1997-01-01 1312578 2002-01-01 1552446 2003-01-01 1202365 2004-01-01 1905184 2005-01-01 1876231 2006-01-01 3712881 2007-01-01 17584734 2008-01-01 9111649 2009-01-01 4160678 2010-01-01 1986874 2011-01-01 2592840 2012-01-01 2570671 2013-01-01 6793413 2014-01-01 3282694 2015-01-01 4952688 2016-01-01 4756768