Year Dollars 1992-01-01 172366 1997-01-01 54972 2002-01-01 68689 2003-01-01 61214 2004-01-01 155848 2005-01-01 248780 2006-01-01 75565 2007-01-01 129593 2008-01-01 491629 2009-01-01 72670 2010-01-01 156274 2011-01-01 221243 2012-01-01 198152 2013-01-01 108950 2014-01-01 73666 2015-01-01 183331 2016-01-01 223532