Year Dollars per Week 2001-01-01 456.84 2002-01-01 441.32 2003-01-01 438.90 2004-01-01 452.81 2005-01-01 469.37 2006-01-01 448.14 2007-01-01 490.35 2008-01-01 521.02 2009-01-01 555.44 2010-01-01 555.46 2011-01-01 573.40 2012-01-01 590.63 2013-01-01 497.74 2014-01-01 571.68 2015-01-01 453.96 2016-01-01 414.78