Year Dollars 1997-01-01 458380 2002-01-01 62693 2003-01-01 92124 2004-01-01 220401 2005-01-01 339507 2006-01-01 286918 2007-01-01 253620 2008-01-01 360307 2009-01-01 202185 2010-01-01 164273 2011-01-01 1020609 2012-01-01 1446073 2013-01-01 1527137 2014-01-01 1529314 2015-01-01 2089372 2016-01-01 2680661