Year Dollars 1992-01-01 2323101 1997-01-01 1418179 2002-01-01 1196141 2003-01-01 2254066 2004-01-01 1160743 2006-01-01 784423 2007-01-01 1071503 2008-01-01 1945771 2009-01-01 547169 2010-01-01 718266 2011-01-01 771638 2012-01-01 776079 2013-01-01 874382 2014-01-01 1286564 2015-01-01 1152292 2016-01-01 4619913