Year Dollars 1997-01-01 242145 2002-01-01 41028 2003-01-01 213441 2004-01-01 201983 2005-01-01 311905 2006-01-01 162126 2007-01-01 471835 2008-01-01 247203 2009-01-01 359347 2010-01-01 734768 2011-01-01 228748 2012-01-01 780506 2013-01-01 131700 2014-01-01 118966 2015-01-01 243551 2016-01-01 405189