Annual Index 2010=1
1987-01-01 0.418635523156201
1988-01-01 0.406582081787210
1989-01-01 0.411299805768998
1990-01-01 0.441034184857450
1991-01-01 0.456894807404095
1992-01-01 0.484659206959611
1993-01-01 0.505457550112730
1994-01-01 0.510030567359875
1995-01-01 0.522160736499210
1996-01-01 0.553412348630711
1997-01-01 0.577590434713298
1998-01-01 0.600738466889483
1999-01-01 0.617428211007148
2000-01-01 0.640400783311582
2001-01-01 0.677080938801635
2002-01-01 0.729868467092311
2003-01-01 0.775385285481555
2004-01-01 0.823620526963176
2005-01-01 0.812919216946444
2006-01-01 0.834607557567186
2007-01-01 0.825572131469711
2008-01-01 0.839838498072694
2009-01-01 0.908178430152868
2010-01-01 1.000000000000000