Year Dollars 1992-01-01 298022 2002-01-01 908778 2003-01-01 413840 2004-01-01 516014 2005-01-01 638602 2006-01-01 811415 2007-01-01 1137902 2008-01-01 1295669 2009-01-01 1832908 2010-01-01 1501829 2011-01-01 2490777 2012-01-01 2155343 2013-01-01 2333388 2014-01-01 1572819 2015-01-01 1892684 2016-01-01 1598610