Year	Index 2010=1
1988-01-01	0.749292816437218
1989-01-01	0.806268998591408
1990-01-01	0.785320091687135
1991-01-01	0.775059914570785
1992-01-01	0.784808864764854
1993-01-01	0.791708706727110
1994-01-01	0.771011514494577
1995-01-01	0.752618539844919
1996-01-01	0.756612245646064
1997-01-01	0.787360250251588
1998-01-01	0.821069350249662
1999-01-01	0.795131740168113
2000-01-01	0.770943853370929
2001-01-01	0.783181664005529
2002-01-01	0.805073927414735
2003-01-01	0.808769243130129
2004-01-01	0.818840488880618
2005-01-01	0.844189928708246
2006-01-01	0.846675926455272
2007-01-01	0.867768206495586
2008-01-01	0.977335270542952
2009-01-01	1.062762475066990
2010-01-01	1.000000000000000