Year	Index
1999-01-01	24.7974
2000-01-01	27.9283
2001-01-01	31.2017
2002-01-01	22.6929
2003-01-01	27.0387
2004-01-01	27.9472
2005-01-01	26.4749
2006-01-01	31.0953
2007-01-01	26.6729
2008-01-01	22.7549
2009-01-01	40.1806
2010-01-01	32.4292
2011-01-01	27.0558
2012-01-01	28.5034
2013-01-01	27.1003
2014-01-01	22.0773
2015-01-01	21.7893
2016-01-01	25.8641
2017-01-01	23.4500