Annual Index 2010=1
1981-01-01 0.323731637134606
1982-01-01 0.376085965995889
1983-01-01 0.421429835533015
1984-01-01 0.448491508599541
1985-01-01 0.481154174116756
1986-01-01 0.503157943772224
1987-01-01 0.520965289675020
1988-01-01 0.536673863376367
1989-01-01 0.570975261332828
1990-01-01 0.616486773174881
1991-01-01 0.667864904663872
1992-01-01 0.683208765436288
1993-01-01 0.703147517045772
1994-01-01 0.679348881158369
1995-01-01 0.686707134788615
1996-01-01 0.721269553078705
1997-01-01 0.738540945489400
1998-01-01 0.736238728630105
1999-01-01 0.747872591258481
2000-01-01 0.730177915720278
2001-01-01 0.754128415415476
2002-01-01 0.783369565085401
2003-01-01 0.830385358882280
2004-01-01 0.846832416724729
2005-01-01 0.860767415294766
2006-01-01 0.862857876792640
2007-01-01 0.885337696075594
2008-01-01 0.956673907238795
2009-01-01 1.046690885907200
2010-01-01 1.000000000000000