Year	Index 2015=100
1997-01-01	33.8195512022489
1998-01-01	19.9568448470497
1999-01-01	12.8017689028393
2000-01-01	16.8534943797230
2001-01-01	15.4352963436343
2002-01-01	20.6364176960533
2003-01-01	28.8199928177841
2004-01-01	40.7751001069610
2005-01-01	70.2357002467439
2006-01-01	78.0339070096110
2007-01-01	102.9832260505920
2008-01-01	61.3779235673217
2009-01-01	39.0834179624903
2010-01-01	67.4186112065737
2011-01-01	75.5530499318462
2012-01-01	73.6387577083325
2013-01-01	94.5206643163573
2014-01-01	91.3346178945296
2015-01-01	100.0000000000000
2016-01-01	113.8415008514400
2017-01-01	135.7101898653530