Year Dollars 1997-01-01 438201 2002-01-01 375716 2003-01-01 543171 2004-01-01 3342757 2008-01-01 7339004 2009-01-01 2032825 2010-01-01 1467794 2011-01-01 2358153 2012-01-01 1089344 2013-01-01 2901171 2014-01-01 2237283 2015-01-01 1163651 2016-01-01 1529635