Year Index 2015=100 1997-01-01 20.9105801005741 1998-01-01 25.6719916894522 1999-01-01 29.7209258418317 2000-01-01 36.0181314052572 2001-01-01 41.0636033493381 2002-01-01 43.7228185056718 2003-01-01 42.9804946987233 2004-01-01 45.7829840806791 2005-01-01 48.2918502066940 2006-01-01 51.2140968954623 2007-01-01 55.7728977802091 2008-01-01 53.6516064243252 2009-01-01 56.1456112115492 2010-01-01 59.5094871709969 2011-01-01 61.4139632291369 2012-01-01 60.8815517725655 2013-01-01 62.6625289261780 2014-01-01 71.7973953122284 2015-01-01 100.0000000000000 2016-01-01 104.3875198029580 2017-01-01 112.5086208759850