Year Dollars 1992-01-01 686114 1997-01-01 1314944 2002-01-01 685826 2003-01-01 2687179 2004-01-01 1153626 2005-01-01 1200403 2006-01-01 1208881 2007-01-01 1661475 2008-01-01 1416163 2009-01-01 1560861 2010-01-01 3171563 2011-01-01 1162481 2012-01-01 1318151 2013-01-01 4250506 2014-01-01 3095932 2015-01-01 2321591 2016-01-01 1032219