Year Dollars 1997-01-01 408913 2002-01-01 108852 2003-01-01 130079 2005-01-01 96770 2007-01-01 173577 2009-01-01 138287 2010-01-01 112969 2011-01-01 142972 2012-01-01 421496 2013-01-01 322411 2014-01-01 178463 2015-01-01 92924 2016-01-01 25581