Year Dollars per Week 2001-01-01 152.33 2002-01-01 158.66 2003-01-01 159.00 2004-01-01 160.34 2005-01-01 170.97 2006-01-01 187.24 2007-01-01 192.49 2008-01-01 204.43 2009-01-01 214.85 2010-01-01 221.87 2011-01-01 236.21 2012-01-01 229.94