Year	Index
2001-01-01	39.5298
2002-01-01	45.0011
2003-01-01	81.5577
2004-01-01	56.1184
2005-01-01	37.2743
2006-01-01	55.4324
2007-01-01	54.2356
2008-01-01	36.5079
2009-01-01	56.5557
2010-01-01	40.6782
2011-01-01	23.8445
2012-01-01	26.3787
2013-01-01	23.2455
2014-01-01	21.7881
2015-01-01	25.8742
2016-01-01	24.0104
2017-01-01	15.2692