Year Index 2015=100 1998-01-01 24.8501883562893 1999-01-01 27.6450967141760 2000-01-01 35.3553739058200 2001-01-01 38.9088483433582 2002-01-01 39.9559840575577 2003-01-01 44.1251355122410 2004-01-01 50.7085165302177 2005-01-01 58.1742063444180 2006-01-01 69.7217863037849 2007-01-01 75.4083149739518 2008-01-01 90.4124123602829 2009-01-01 89.3555809450260 2010-01-01 100.2254885585440 2011-01-01 108.3681309503930 2012-01-01 117.2874561550030 2013-01-01 114.0805077668280 2014-01-01 108.1259395356610 2015-01-01 100.0000000000000 2016-01-01 92.4419575747453 2017-01-01 98.3965258059128