Year Dollars 1997-01-01 192956 2003-01-01 135548 2004-01-01 374516 2005-01-01 246950 2006-01-01 222396 2007-01-01 1767791 2008-01-01 1013310 2009-01-01 1605127 2010-01-01 350588 2011-01-01 835704 2012-01-01 1068131 2013-01-01 2827887 2014-01-01 1522258 2015-01-01 3980264 2016-01-01 4371527