Year Percent 1993-01-01 213.59099999999998 1994-01-01 187.10100000000000 1995-01-01 156.21300000000000 1996-01-01 117.16700000000000 1997-01-01 100.20100000000001 1998-01-01 106.07900000000000 1999-01-01 107.55200000000000 2000-01-01 94.46360000000000 2001-01-01 77.51290000000000 2002-01-01 78.79840000000000 2003-01-01 87.15710000000000 2004-01-01 90.58550000000000 2005-01-01 95.14590000000000 2006-01-01 99.96560000000000 2007-01-01 100.20100000000001 2008-01-01 102.41400000000000 2009-01-01 105.71200000000000 2010-01-01 99.38020000000000 2011-01-01 95.64570000000000 2012-01-01 102.98299999999999 2013-01-01 109.75700000000000 2014-01-01 108.30900000000000 2015-01-01 103.09899999999999 2016-01-01 95.97820000000000