Year Dollars 1997-01-01 625913 2002-01-01 140374 2003-01-01 223570 2004-01-01 359077 2005-01-01 501453 2006-01-01 2654081 2007-01-01 1440453 2008-01-01 2319166 2009-01-01 820800 2010-01-01 843124 2011-01-01 916444 2012-01-01 500281 2013-01-01 845832 2014-01-01 877625 2015-01-01 1440368 2016-01-01 893012