Year	Index
1986-01-01	13.34330
1987-01-01	11.21700
1988-01-01	11.69810
1989-01-01	17.38530
1990-01-01	21.76730
1991-01-01	22.52100
1992-01-01	12.92490
1993-01-01	11.04780
1994-01-01	16.68820
1995-01-01	18.01140
1996-01-01	11.75100
1997-01-01	9.19722
1998-01-01	14.41240
1999-01-01	18.90000
2000-01-01	14.00870
2001-01-01	13.24670
2002-01-01	25.38140
2003-01-01	23.31590
2004-01-01	32.21150
2005-01-01	23.39880
2006-01-01	21.84730
2007-01-01	17.60380
2008-01-01	12.99380
2009-01-01	20.43290
2010-01-01	19.12160
2011-01-01	16.82440
2012-01-01	16.39770
2013-01-01	13.12340
2014-01-01	9.08660
2015-01-01	8.73950
2016-01-01	8.77709
2017-01-01	7.01768