Year	Index
1996-01-01	0.12615400000000000
1997-01-01	0.14829700000000000
1998-01-01	0.14658600000000000
1999-01-01	0.16809100000000002
2000-01-01	0.19122000000000000
2001-01-01	0.22826200000000000
2002-01-01	0.16106600000000001
2003-01-01	0.20725200000000000
2004-01-01	0.21781500000000000
2005-01-01	0.19432700000000000
2006-01-01	0.17509700000000000
2007-01-01	0.21714800000000000
2008-01-01	0.25020700000000000
2009-01-01	0.19863599999999998
2010-01-01	0.42515800000000000
2011-01-01	0.48096099999999997
2012-01-01	0.49296500000000000
2013-01-01	0.49152600000000000
2014-01-01	0.49447399999999997