Year Dollars 1992-01-01 1474133 1997-01-01 16851124 2002-01-01 11036498 2003-01-01 20601769 2004-01-01 18143269 2005-01-01 30203882 2006-01-01 34857408 2007-01-01 53045415 2008-01-01 66057860 2009-01-01 57996880 2010-01-01 62109344 2011-01-01 68052593 2012-01-01 84499937 2013-01-01 82783066 2014-01-01 92649229 2015-01-01 97143726 2016-01-01 82348896