Year Dollars 1997-01-01 147105 2003-01-01 266710 2005-01-01 38994 2009-01-01 137046 2010-01-01 99164 2011-01-01 246934 2012-01-01 31101 2013-01-01 78481 2014-01-01 54457 2015-01-01 60094 2016-01-01 94370