Year	Index
1995-01-01	45.5498
1996-01-01	33.3537
1997-01-01	25.0539
1998-01-01	33.1604
1999-01-01	39.9107
2000-01-01	32.2720
2001-01-01	31.2536
2002-01-01	28.6255
2003-01-01	23.9286
2004-01-01	22.1555
2005-01-01	17.4733
2006-01-01	20.9731
2007-01-01	24.4917
2008-01-01	27.0711
2009-01-01	38.3857
2010-01-01	31.7809
2011-01-01	20.6468
2012-01-01	23.3236
2013-01-01	18.2186
2014-01-01	17.5482
2015-01-01	15.4345
2016-01-01	18.7425
2017-01-01	17.8444