Year	Index 2010=1
1998-01-01	0.651601328074428
1999-01-01	0.689154578866595
2000-01-01	0.748464394896323
2001-01-01	0.766743619643861
2002-01-01	0.814184255627934
2003-01-01	0.830073065837671
2004-01-01	0.877194864995538
2005-01-01	0.868364714374056
2006-01-01	0.880901036873952
2007-01-01	0.894757161550985
2008-01-01	0.960750334368048
2009-01-01	0.992875901799796
2010-01-01	1.000000000000000