Year Dollars 1997-01-01 44918 2003-01-01 150897 2004-01-01 120908 2005-01-01 60837 2006-01-01 105410 2007-01-01 23311 2009-01-01 339492 2011-01-01 137373 2012-01-01 153933 2013-01-01 456998 2014-01-01 217268 2015-01-01 51004 2016-01-01 88687