Year Dollars 1992-01-01 7722860 1997-01-01 20801690 2002-01-01 13668009 2003-01-01 59898330 2004-01-01 25207898 2005-01-01 57848735 2006-01-01 91759801 2007-01-01 35697023 2008-01-01 134482169 2009-01-01 36584217 2010-01-01 43030493 2011-01-01 53422586 2012-01-01 46146098 2013-01-01 38190425 2014-01-01 33999420 2015-01-01 42935600 2016-01-01 58848300