Year	Index 2015=100
1998-01-01	51.0435118598797
1999-01-01	66.4959954383635
2000-01-01	72.7652295260925
2001-01-01	79.8072558530373
2002-01-01	81.3396806104190
2003-01-01	82.7438093416013
2004-01-01	84.7751630897584
2005-01-01	85.5306841329327
2006-01-01	87.2199151445581
2007-01-01	86.2434398340405
2008-01-01	88.9162737131946
2009-01-01	92.8506851833095
2010-01-01	91.1804922515953
2011-01-01	92.2439987845640
2012-01-01	95.9434822242480
2013-01-01	99.3694925554543
2014-01-01	98.6250379823762
2015-01-01	100.0000000000000
2016-01-01	99.1415982983896
2017-01-01	101.1698571862660