Year Dollars 1997-01-01 176656 2002-01-01 124186 2003-01-01 221633 2004-01-01 255687 2005-01-01 204062 2006-01-01 150136 2007-01-01 506772 2008-01-01 2236940 2009-01-01 104113 2010-01-01 63466 2011-01-01 475859 2012-01-01 164952 2013-01-01 162629 2015-01-01 220474 2016-01-01 148094