Year	Index
1996-01-01	0.18246099999999998
1997-01-01	0.19446200000000000
1998-01-01	0.10707300000000000
1999-01-01	0.13696400000000000
2000-01-01	0.11275900000000000
2001-01-01	0.13667900000000000
2002-01-01	0.13309900000000000
2003-01-01	0.07411200000000000
2004-01-01	0.15543700000000000
2005-01-01	0.13699200000000000
2006-01-01	0.20744800000000000
2007-01-01	0.13884500000000000
2008-01-01	0.09766600000000000
2009-01-01	0.20229700000000000
2010-01-01	0.23013699999999998
2011-01-01	0.23531999999999997