Year Dollars 1997-01-01 25162 2002-01-01 50107 2004-01-01 692497 2005-01-01 3306376 2007-01-01 269316 2008-01-01 432216 2009-01-01 587834 2010-01-01 405051 2011-01-01 918877 2012-01-01 997352 2013-01-01 946929 2014-01-01 492900 2015-01-01 2904691 2016-01-01 2554720