Year Dollars 1992-01-01 1003568 1997-01-01 415886 2002-01-01 1270927 2003-01-01 984287 2004-01-01 1267206 2005-01-01 1542951 2006-01-01 3359384 2007-01-01 2015110 2008-01-01 3495229 2009-01-01 1388614 2010-01-01 732885 2011-01-01 779765 2012-01-01 960730 2013-01-01 350497 2014-01-01 746049 2015-01-01 242968 2016-01-01 187094