Year Dollars 1997-01-01 593684 2002-01-01 166361 2003-01-01 123367 2004-01-01 42069 2005-01-01 71444 2006-01-01 87421 2007-01-01 552258 2008-01-01 956434 2009-01-01 1152068 2010-01-01 664202 2011-01-01 944161 2012-01-01 796020 2013-01-01 1077675 2014-01-01 476922 2015-01-01 324589 2016-01-01 890562