Year Dollars 1992-01-01 2115168 1997-01-01 375934 2003-01-01 257548 2004-01-01 360147 2005-01-01 671375 2006-01-01 452305 2007-01-01 382934 2008-01-01 1263066 2010-01-01 713159 2011-01-01 695140 2012-01-01 472147 2013-01-01 1438765 2014-01-01 718633 2015-01-01 1398712 2016-01-01 1531103