Year	Index 2010=1
1998-01-01	0.498464031234636
1999-01-01	0.548462841039743
2000-01-01	0.581020163290053
2001-01-01	0.631080416693908
2002-01-01	0.721336580350348
2003-01-01	0.752017949107526
2004-01-01	0.774272648135630
2005-01-01	0.782983704826341
2006-01-01	0.862179882228834
2007-01-01	0.882580163891070
2008-01-01	0.959978843322773
2009-01-01	0.995172135073711
2010-01-01	1.000000000000000