Year Dollars 1997-01-01 3475088 2003-01-01 2174135 2004-01-01 2065645 2005-01-01 1334335 2006-01-01 940866 2007-01-01 1492222 2008-01-01 9022239 2009-01-01 3450213 2010-01-01 22115390 2011-01-01 14748974 2012-01-01 7807561 2013-01-01 9108165 2014-01-01 8805234 2015-01-01 4936301 2016-01-01 4183002