Year Index 2015=100 1998-01-01 55.3275799160563 1999-01-01 58.1734929842986 2000-01-01 64.8506585653260 2001-01-01 68.7215023724258 2002-01-01 68.3288080731548 2003-01-01 69.7686871704818 2004-01-01 72.5362469939156 2005-01-01 74.8051473897036 2006-01-01 79.7294092377051 2007-01-01 79.9912054372191 2008-01-01 83.7124514160253 2009-01-01 87.5708287374341 2010-01-01 92.9373499574073 2011-01-01 96.7861844652676 2012-01-01 100.8053899171380 2013-01-01 101.3707116858980 2014-01-01 100.9680167273290 2015-01-01 100.0000000000000 2016-01-01 98.3892201657245 2017-01-01 101.6727329048250