Year	Index 2010=1
1998-01-01	0.787075804485376
1999-01-01	0.797952297620823
2000-01-01	0.816848382497886
2001-01-01	0.867372448595850
2002-01-01	0.911225860580070
2003-01-01	0.945896092309511
2004-01-01	0.951197469530335
2005-01-01	0.933805463429746
2006-01-01	0.918465328765517
2007-01-01	0.931865922118141
2008-01-01	0.974162184675229
2009-01-01	1.004767567031180
2010-01-01	1.000000000000000