Year	Index
1996-01-01	-0.017759999999999998
1997-01-01	0.038252000000000000
1998-01-01	0.038252000000000000
1999-01-01	0.038252000000000000
2000-01-01	0.252142000000000030
2001-01-01	0.358075000000000000
2002-01-01	0.231848999999999970
2003-01-01	0.252617000000000000
2004-01-01	0.305179000000000000
2005-01-01	0.309519000000000000
2006-01-01	0.332601000000000040
2007-01-01	0.334563000000000000
2008-01-01	0.335056000000000000
2009-01-01	0.357491000000000000
2010-01-01	0.403532000000000000