Annual Index 2010=1, Trend
1970-01-01 0.189437862436273
1971-01-01 0.208056906746386
1972-01-01 0.215864484216250
1973-01-01 0.220202409468739
1974-01-01 0.259490272627946
1975-01-01 0.325955297236243
1976-01-01 0.362919039846905
1977-01-01 0.402154444896135
1978-01-01 0.402292621659932
1979-01-01 0.400842411409846
1980-01-01 0.431351079053442
1981-01-01 0.442362816352350
1982-01-01 0.476974016631263
1983-01-01 0.528269506613699
1984-01-01 0.560776888419879
1985-01-01 0.573049345590041
1986-01-01 0.589220200546163
1987-01-01 0.599908093420859
1988-01-01 0.589637569236517
1989-01-01 0.611559109515400
1990-01-01 0.634556947397948
1991-01-01 0.678723051777453
1992-01-01 0.722971345500607
1993-01-01 0.769336587055450
1994-01-01 0.790222410263049
1995-01-01 0.750773154729134
1996-01-01 0.751101867762011
1997-01-01 0.773917914131965
1998-01-01 0.770951323927282
1999-01-01 0.789417505599064
2000-01-01 0.820426225090274
2001-01-01 0.870480151947334
2002-01-01 0.869037591731464
2003-01-01 0.879702830196588
2004-01-01 0.883596579959910
2005-01-01 0.881524470027068
2006-01-01 0.896757247819392
2007-01-01 0.937961345749420
2008-01-01 0.968519832599856
2009-01-01 0.995672122901729
2010-01-01 1.000000000000000