Year Dollars 1992-01-01 47293 2002-01-01 20975 2003-01-01 129190 2004-01-01 171662 2005-01-01 157701 2006-01-01 515869 2007-01-01 171570 2008-01-01 353440 2009-01-01 96254 2010-01-01 363294 2011-01-01 696192 2012-01-01 579949 2013-01-01 642475 2014-01-01 904667 2015-01-01 557171 2016-01-01 696262