Year Dollars 1997-01-01 507250 2003-01-01 65190 2004-01-01 185026 2005-01-01 64018 2006-01-01 183855 2007-01-01 334846 2008-01-01 951246 2009-01-01 621102 2010-01-01 529979 2011-01-01 1196034 2012-01-01 373066 2013-01-01 229392 2014-01-01 298374 2015-01-01 320452 2016-01-01 623444