Year Dollars 1997-01-01 39797 2002-01-01 587311 2003-01-01 313960 2005-01-01 1229125 2006-01-01 2213821 2007-01-01 1953384 2010-01-01 1449848 2011-01-01 2776158 2012-01-01 2979205 2013-01-01 1516880 2014-01-01 1177410 2015-01-01 673481 2016-01-01 1035585