Year Dollars 1992-01-01 213357 2002-01-01 51672 2004-01-01 225138 2006-01-01 40792 2007-01-01 103483 2008-01-01 66336 2010-01-01 40606 2012-01-01 95262 2013-01-01 257532 2014-01-01 95207 2015-01-01 49443