Year Dollars 1992-01-01 6199292 2003-01-01 1163413 2005-01-01 422383 2007-01-01 2171961 2008-01-01 2444950 2009-01-01 2749672 2010-01-01 5422953 2011-01-01 4002751 2012-01-01 2568888 2013-01-01 2591751 2016-01-01 3209397