Year Dollars 2003-01-01 32350 2004-01-01 188466 2005-01-01 153529 2006-01-01 54970 2007-01-01 18009 2008-01-01 92234 2009-01-01 277887 2010-01-01 464177 2011-01-01 268049 2012-01-01 628545 2013-01-01 421949 2014-01-01 1906815 2015-01-01 561386