Year Index 2010=1, Trend 1986-01-01 0.290955228990778 1987-01-01 0.290285240637435 1988-01-01 0.284027561621794 1989-01-01 0.296093728669752 1990-01-01 0.292347500735317 1991-01-01 0.300713257631743 1992-01-01 0.300404196573004 1993-01-01 0.317068275720048 1994-01-01 0.328417564654997 1995-01-01 0.332550587232774 1996-01-01 0.309307219493422 1997-01-01 0.317601488424757 1998-01-01 0.369872102297137 1999-01-01 0.415901846218115 2000-01-01 0.499758333589821 2001-01-01 0.554275880173964 2002-01-01 0.602389302900010 2003-01-01 0.633080366126258 2004-01-01 0.667537661356317 2005-01-01 0.717865403222359 2006-01-01 0.782208477133650 2007-01-01 0.841848752797138 2008-01-01 0.863480028970783 2009-01-01 0.912169663678702 2010-01-01 1.000000000000000