Year	Index
1996-01-01	0.27534500000000000
1997-01-01	0.27797200000000000
1998-01-01	0.37261500000000003
1999-01-01	0.29910700000000000
2000-01-01	0.24861500000000000
2001-01-01	0.31805300000000003
2002-01-01	0.46791000000000005
2003-01-01	0.51902500000000000
2004-01-01	0.51272600000000000
2005-01-01	0.52070200000000000
2006-01-01	0.42436300000000000
2007-01-01	0.39533500000000000
2008-01-01	0.44030300000000000
2009-01-01	0.45867100000000000
2010-01-01	0.49913400000000000
2011-01-01	0.60409300000000000
2012-01-01	0.59417500000000000
2013-01-01	0.53841900000000000