Year	Index 2015=100
1997-01-01	66.9229135719925
1998-01-01	72.3155311380726
1999-01-01	61.2860335712356
2000-01-01	55.8653366006785
2001-01-01	63.0895334571729
2002-01-01	63.0864532379622
2003-01-01	61.0619502518316
2004-01-01	63.9384019234024
2005-01-01	74.4893669361070
2006-01-01	81.2500696465948
2007-01-01	88.4585447698824
2008-01-01	89.8657266216092
2009-01-01	73.0784162837418
2010-01-01	78.3715837688217
2011-01-01	88.2884809262944
2012-01-01	80.3475706742106
2013-01-01	79.6509575486922
2014-01-01	82.0484351330013
2015-01-01	100.0000000000000
2016-01-01	90.6325803090942
2017-01-01	93.7239377185983