Year	Index 2015=100
1997-01-01	23.7612311191138
1998-01-01	30.3610972097541
1999-01-01	34.1914553779392
2000-01-01	41.6063973915403
2001-01-01	47.0573749488005
2002-01-01	49.5695068534485
2003-01-01	48.3711847903635
2004-01-01	49.2921514871902
2005-01-01	55.5636774139530
2006-01-01	60.7320778521611
2007-01-01	66.4112988637274
2008-01-01	64.5610897859251
2009-01-01	63.4618491623109
2010-01-01	63.7446280415680
2011-01-01	65.4622851551148
2012-01-01	64.8489269674261
2013-01-01	65.5247547829330
2014-01-01	75.0931061782906
2015-01-01	100.0000000000000
2016-01-01	118.4824167314460
2017-01-01	107.4021583656550