Year Dollars 1997-01-01 1030790 2002-01-01 100866 2004-01-01 1909387 2005-01-01 654844 2006-01-01 760552 2007-01-01 1254564 2009-01-01 281961 2010-01-01 758430 2011-01-01 936947 2012-01-01 1593554 2013-01-01 1058547 2014-01-01 74194 2015-01-01 54054 2016-01-01 23461