Year Index 2010=1, Trend 1980-01-01 0.216487411433847 1981-01-01 0.242894295334162 1982-01-01 0.270961715156986 1983-01-01 0.301199310543346 1984-01-01 0.323445108647829 1985-01-01 0.340982857694980 1986-01-01 0.369532498336617 1987-01-01 0.397858825694344 1988-01-01 0.419523249124981 1989-01-01 0.443420493500156 1990-01-01 0.489051610781194 1991-01-01 0.538326025256373 1992-01-01 0.592844528587333 1993-01-01 0.635968775480457 1994-01-01 0.644644283187980 1995-01-01 0.655620606284233 1996-01-01 0.685333849691464 1997-01-01 0.712427293632032 1998-01-01 0.731107189102230 1999-01-01 0.747005662562290 2000-01-01 0.777245685861786 2001-01-01 0.805225867489304 2002-01-01 0.829888923524843 2003-01-01 0.853779398500487 2004-01-01 0.874936325849824 2005-01-01 0.902798941828468 2006-01-01 0.938984924398451 2007-01-01 0.976453930654770 2008-01-01 1.005988284291870 2009-01-01 1.012690169023680 2010-01-01 1.000000000000000