Year Dollars per Week 2001-01-01 302.19 2002-01-01 304.43 2003-01-01 300.38 2004-01-01 309.67 2005-01-01 320.61 2006-01-01 377.38 2007-01-01 394.37 2008-01-01 373.50 2009-01-01 400.98 2010-01-01 439.14 2011-01-01 435.05 2012-01-01 446.98