Year Index 2010=1, Trend 1992-01-01 0.237297503417152 1993-01-01 0.356289720192596 1994-01-01 0.432570269762800 1995-01-01 0.427895810480090 1996-01-01 0.402680986489798 1997-01-01 0.518302384891008 1998-01-01 0.508971137354304 1999-01-01 0.592790587096924 2000-01-01 0.623454427596693 2001-01-01 0.663737849474767 2002-01-01 0.742785684370178 2003-01-01 0.784329018811376 2004-01-01 0.800292166749057 2005-01-01 0.844454184561782 2006-01-01 0.858521396562985 2007-01-01 0.891659541572125 2008-01-01 0.987574240491797 2009-01-01 0.958037947680616 2010-01-01 1.000000000000000