Annual Index 2010=1, Trend
1992-01-01 0.253366349583882
1993-01-01 0.316502970214013
1994-01-01 0.402420462824068
1995-01-01 0.479722502612150
1996-01-01 0.564183706475911
1997-01-01 0.616888633992110
1998-01-01 0.650232468936399
1999-01-01 0.690123157988046
2000-01-01 0.745341617494432
2001-01-01 0.793696257065583
2002-01-01 0.820467383472172
2003-01-01 0.845386630902544
2004-01-01 0.867673412836356
2005-01-01 0.872563278724866
2006-01-01 0.878269216980494
2007-01-01 0.899365398534493
2008-01-01 0.958071716274492
2009-01-01 0.986040435807056
2010-01-01 1.000000000000000