Year Dollars 2003-01-01 2929247 2006-01-01 120446 2009-01-01 4140972 2010-01-01 285300 2011-01-01 16573810 2012-01-01 53994660 2013-01-01 52382862 2014-01-01 41569758 2015-01-01 25060134