Year Dollars 1992-01-01 63801 1997-01-01 568618 2002-01-01 2498419 2003-01-01 3586421 2004-01-01 3322437 2005-01-01 6515034 2006-01-01 11279530 2007-01-01 12337562 2008-01-01 7885333 2009-01-01 5057516 2010-01-01 6899343 2011-01-01 7991403 2012-01-01 7860799 2013-01-01 12119475 2014-01-01 10496691 2015-01-01 2803117 2016-01-01 7236787