Year	Index
1993-01-01	23.21740
1994-01-01	29.28710
1995-01-01	32.10710
1996-01-01	20.40490
1997-01-01	20.71160
1998-01-01	22.34280
1999-01-01	21.22620
2000-01-01	22.81590
2001-01-01	24.36760
2002-01-01	21.80100
2003-01-01	21.49020
2004-01-01	19.52410
2005-01-01	14.75620
2006-01-01	16.23850
2007-01-01	16.37260
2008-01-01	21.08790
2009-01-01	32.94440
2010-01-01	23.85560
2011-01-01	17.65590
2012-01-01	21.35580
2013-01-01	14.01220
2014-01-01	9.99359
2015-01-01	10.27290
2016-01-01	13.80260
2017-01-01	10.78700