Year	Index
1996-01-01	0.12585300000000000
1997-01-01	0.11430900000000000
1998-01-01	0.13417300000000001
1999-01-01	0.15928499999999998
2000-01-01	0.16714100000000000
2001-01-01	0.19478099999999998
2002-01-01	0.19621300000000000
2003-01-01	0.18107500000000000
2004-01-01	0.23176400000000000
2005-01-01	0.22308200000000000
2006-01-01	0.24722900000000000
2007-01-01	0.22270100000000000
2008-01-01	0.21132300000000000
2009-01-01	0.32768800000000003
2010-01-01	0.26816799999999996