Year Dollars per Week 2001-01-01 392.62 2002-01-01 418.18 2003-01-01 427.81 2004-01-01 444.44 2005-01-01 452.88 2006-01-01 464.94 2007-01-01 488.35 2008-01-01 490.85 2009-01-01 497.34 2010-01-01 485.46 2011-01-01 504.11 2012-01-01 513.59 2013-01-01 532.93 2014-01-01 580.14 2015-01-01 531.62 2016-01-01 500.62 2017-01-01 492.66