Year Dollars 1997-01-01 1604693 2002-01-01 8635871 2003-01-01 10661531 2004-01-01 29231406 2005-01-01 31073855 2006-01-01 30997783 2007-01-01 45130674 2008-01-01 82882893 2009-01-01 70556833 2010-01-01 82344264 2011-01-01 69379297 2012-01-01 89949768 2013-01-01 104688354 2014-01-01 104050031 2015-01-01 112358751 2016-01-01 110464760