Year Dollars 1992-01-01 1064341 1997-01-01 22931779 2004-01-01 5601126 2005-01-01 45787039 2006-01-01 25646959 2007-01-01 30796894 2008-01-01 37853883 2009-01-01 37985253 2010-01-01 59087575 2011-01-01 37391082 2012-01-01 40561685 2013-01-01 89165901 2014-01-01 80531787 2015-01-01 224071745 2016-01-01 96848011