Year Dollars 1997-01-01 309400 2002-01-01 728704 2003-01-01 3926882 2006-01-01 4324279 2007-01-01 2877450 2008-01-01 3202152 2009-01-01 3539004 2010-01-01 2143087 2011-01-01 1468777 2012-01-01 1533872 2013-01-01 2799598 2014-01-01 6852840 2015-01-01 3087125 2016-01-01 13691313