Year Index 2010=1, Trend 1995-01-01 0.252133001175095 1996-01-01 0.329989114874607 1997-01-01 0.445903898954878 1998-01-01 0.539016078178497 1999-01-01 0.595767310894904 2000-01-01 0.674639315436802 2001-01-01 0.701903645454991 2002-01-01 0.712697872339712 2003-01-01 0.692522231545119 2004-01-01 0.716650960896794 2005-01-01 0.700418279557710 2006-01-01 0.739267484776668 2007-01-01 0.773544240026486 2008-01-01 0.813485486601950 2009-01-01 0.902718860556181 2010-01-01 1.000000000000000