Year	Index
1990-01-01	22.327300000000000
1991-01-01	22.826900000000000
1992-01-01	25.148400000000000
1993-01-01	17.551200000000000
1994-01-01	17.939900000000000
1995-01-01	24.031400000000000
1996-01-01	20.200400000000000
1997-01-01	14.943800000000000
1998-01-01	20.302200000000000
1999-01-01	28.129000000000000
2000-01-01	21.097500000000000
2001-01-01	15.059900000000000
2002-01-01	14.245800000000000
2003-01-01	15.398700000000000
2004-01-01	14.459800000000000
2005-01-01	11.893300000000000
2006-01-01	12.254100000000000
2007-01-01	14.980000000000000
2008-01-01	22.149400000000000
2009-01-01	26.068300000000000
2010-01-01	16.533400000000000
2011-01-01	15.217400000000000
2012-01-01	19.161200000000000
2013-01-01	12.507100000000000
2014-01-01	14.062000000000001
2015-01-01	11.322700000000000
2016-01-01	11.860400000000000
2017-01-01	10.317700000000000