Year Dollars 1997-01-01 772434 2002-01-01 2220732 2003-01-01 1847796 2005-01-01 1265484 2006-01-01 231192 2007-01-01 1238606 2008-01-01 852058 2009-01-01 2207201 2010-01-01 1537707 2011-01-01 923937 2012-01-01 2451263 2013-01-01 2378734 2014-01-01 703619 2015-01-01 3043508 2016-01-01 4000250