Annual Index 2010=1, Trend
1976-01-01 0.487869133321279
1977-01-01 0.512107410734602
1978-01-01 0.566923804480488
1979-01-01 0.536507089606210
1980-01-01 0.575619151430289
1981-01-01 0.638041557727301
1982-01-01 0.638433227888557
1983-01-01 0.628212831394304
1984-01-01 0.667338119601009
1985-01-01 0.684871662734010
1986-01-01 0.697739645703654
1987-01-01 0.703474920825744
1988-01-01 0.698022196852967
1989-01-01 0.714313585459934
1990-01-01 0.740284630897804
1991-01-01 0.763427058910111
1992-01-01 0.791434533493014
1993-01-01 0.826610501920302
1994-01-01 0.836282002197944
1995-01-01 0.830673318227659
1996-01-01 0.833134570962797
1997-01-01 0.825094948979461
1998-01-01 0.824747778152581
1999-01-01 0.837124501709511
2000-01-01 0.841362898592871
2001-01-01 0.842099968506827
2002-01-01 0.844138206185619
2003-01-01 0.862144455084270
2004-01-01 0.878552124491406
2005-01-01 0.895518854256848
2006-01-01 0.904436294963973
2007-01-01 0.915176306359082
2008-01-01 0.953870292410220
2009-01-01 0.995959843828595
2010-01-01 1.000000000000000