Year Dollars 1992-01-01 1350064 1997-01-01 2364252 2002-01-01 2521648 2003-01-01 2038667 2004-01-01 1865113 2005-01-01 2214190 2006-01-01 1480517 2007-01-01 9830182 2008-01-01 5108039 2009-01-01 4428685 2010-01-01 5492283 2011-01-01 7005328 2012-01-01 13502317 2013-01-01 9479129 2014-01-01 5524200 2015-01-01 3478478 2016-01-01 4578842