Year Dollars 1992-01-01 234545 1997-01-01 42675 2004-01-01 61063 2005-01-01 192233 2006-01-01 157473 2008-01-01 31443 2009-01-01 139616 2010-01-01 177323 2011-01-01 144833 2012-01-01 60683 2014-01-01 662899