Year Dollars per Week 2001-01-01 324.81 2002-01-01 348.30 2003-01-01 375.42 2004-01-01 372.13 2005-01-01 399.84 2006-01-01 402.75 2007-01-01 401.13 2008-01-01 412.34 2009-01-01 457.46 2010-01-01 441.25 2011-01-01 467.04 2012-01-01 488.06 2013-01-01 470.67 2014-01-01 457.32 2015-01-01 436.72 2016-01-01 425.72