Year Dollars 1997-01-01 230585 2002-01-01 62163 2003-01-01 198701 2004-01-01 397536 2006-01-01 294691 2007-01-01 73211 2008-01-01 231922 2011-01-01 239652 2012-01-01 144905 2013-01-01 71387 2014-01-01 133279 2016-01-01 116670