Year Dollars 1992-01-01 151469 1997-01-01 3045035 2002-01-01 3204269 2003-01-01 4859001 2004-01-01 11568358 2005-01-01 18439368 2006-01-01 15533129 2007-01-01 11478672 2008-01-01 5012012 2009-01-01 8871774 2010-01-01 8877068 2011-01-01 8274245 2012-01-01 7300137 2013-01-01 7154487 2014-01-01 6402174 2015-01-01 8982053 2016-01-01 10546474