Year Dollars 1992-01-01 2040701 1997-01-01 5059333 2002-01-01 1357270 2003-01-01 4361803 2004-01-01 1653388 2005-01-01 3778446 2006-01-01 2722641 2007-01-01 6043408 2008-01-01 9812604 2009-01-01 3383608 2010-01-01 9097705 2011-01-01 6004769 2012-01-01 7904295 2013-01-01 5241823 2014-01-01 23075207 2015-01-01 5393673 2016-01-01 7673085