Year Dollars 1992-01-01 293582 1997-01-01 1050307 2002-01-01 1478726 2003-01-01 473658 2004-01-01 320717 2005-01-01 886080 2006-01-01 1845680 2007-01-01 1962706 2008-01-01 1060668 2009-01-01 2802201 2010-01-01 5861706 2011-01-01 7864649 2012-01-01 12718879 2013-01-01 9345238 2014-01-01 11170602 2015-01-01 5258864 2016-01-01 10971739