Annual Index 2010=1, Trend
1985-01-01 0.459450778570193
1986-01-01 0.457056318365927
1987-01-01 0.471202528863333
1988-01-01 0.447477625686106
1989-01-01 0.508553041838608
1990-01-01 0.554112444435158
1991-01-01 0.611398409262872
1992-01-01 0.734838286887206
1993-01-01 0.727009380037322
1994-01-01 0.731917599632379
1995-01-01 0.735404317484276
1996-01-01 0.725374777217052
1997-01-01 0.722099640027299
1998-01-01 0.709061070397498
1999-01-01 0.710055661683731
2000-01-01 0.742779001588045
2001-01-01 0.764422813548819
2002-01-01 0.780336252969082
2003-01-01 0.810621829717946
2004-01-01 0.836183513149969
2005-01-01 0.851444083213355
2006-01-01 0.871270632306062
2007-01-01 0.911173599811944
2008-01-01 0.956404248014085
2009-01-01 0.999443892860387
2010-01-01 1.000000000000000