Annual Index 2010=1
1987-01-01 0.708651191636271
1988-01-01 0.710753652245820
1989-01-01 0.705050501496701
1990-01-01 0.714964047879177
1991-01-01 0.745066157913942
1992-01-01 0.778216703270112
1993-01-01 0.799860407694260
1994-01-01 0.805922544907782
1995-01-01 0.809927650602920
1996-01-01 0.823318242315820
1997-01-01 0.817752544445815
1998-01-01 0.830094336252633
1999-01-01 0.842133565745029
2000-01-01 0.867637818078798
2001-01-01 0.907629543756918
2002-01-01 0.946868301248184
2003-01-01 0.951661203025413
2004-01-01 0.950495116586361
2005-01-01 0.939876727071494
2006-01-01 0.942377715673784
2007-01-01 0.962627402482224
2008-01-01 0.982599275218330
2009-01-01 1.028064628571700
2010-01-01 1.000000000000000