Year Dollars 1997-01-01 16695 2003-01-01 73196 2004-01-01 3592970 2005-01-01 601422 2007-01-01 6674318 2008-01-01 18120584 2009-01-01 9931274 2010-01-01 6507998 2011-01-01 15564807 2012-01-01 3092278 2013-01-01 15375702 2014-01-01 1529216 2015-01-01 1405716 2016-01-01 1821920