Year Dollars 1992-01-01 2772404 1997-01-01 1376794 2002-01-01 11888910 2003-01-01 14093954 2004-01-01 9426428 2005-01-01 11784885 2006-01-01 10520545 2007-01-01 8543647 2008-01-01 9835974 2009-01-01 8155306 2010-01-01 7051678 2011-01-01 13037093 2012-01-01 22491355 2013-01-01 10759636 2014-01-01 13348731 2015-01-01 6733138 2016-01-01 12184657