Year Dollars 1997-01-01 1148001 2002-01-01 5025636 2003-01-01 3657783 2004-01-01 6578771 2006-01-01 7002875 2007-01-01 14614108 2009-01-01 11439865 2010-01-01 30419080 2011-01-01 17670413 2012-01-01 11719394 2013-01-01 9893611 2014-01-01 6655272 2015-01-01 14030939 2016-01-01 11010400