Year Dollars per Week 2001-01-01 268.95 2002-01-01 281.73 2003-01-01 301.71 2004-01-01 364.03 2005-01-01 342.78 2006-01-01 347.47 2007-01-01 342.66 2008-01-01 332.08 2009-01-01 357.39 2010-01-01 424.75 2011-01-01 387.61 2012-01-01 377.93 2013-01-01 395.42 2014-01-01 480.32 2015-01-01 536.11 2016-01-01 572.82