Year Dollars 2002-01-01 115908 2004-01-01 289643 2005-01-01 285202 2006-01-01 1544227 2007-01-01 1392615 2008-01-01 3577167 2009-01-01 1427290 2010-01-01 4863022 2011-01-01 9086458 2012-01-01 2286179 2013-01-01 2770468 2014-01-01 7266240 2015-01-01 4397838 2016-01-01 2728019