Year Dollars 1992-01-01 169411 1997-01-01 971347 2002-01-01 340666 2003-01-01 7250209 2004-01-01 6491548 2005-01-01 5466086 2006-01-01 8949284 2007-01-01 3893954 2008-01-01 4878846 2009-01-01 4318408 2010-01-01 3460470 2011-01-01 3472491 2012-01-01 3102865 2013-01-01 11920686 2014-01-01 4431202 2015-01-01 3508379 2016-01-01 1451031