Year	Index 2010=1
1978-01-01	0.525593482210064
1979-01-01	0.574254919783574
1980-01-01	0.648529659943262
1981-01-01	0.714097645926668
1982-01-01	0.780439300363540
1983-01-01	0.818970511997153
1984-01-01	0.870028578655025
1985-01-01	0.895448375267489
1986-01-01	0.919915958333056
1987-01-01	0.950441372856389
1988-01-01	0.934141799446561
1989-01-01	0.944314785525349
1990-01-01	0.973622043410729
1991-01-01	1.003507962107310
1992-01-01	1.031703084452190
1993-01-01	1.060611725434680
1994-01-01	1.023551037000490
1995-01-01	1.009129678387660
1996-01-01	1.021747308261340
1997-01-01	0.983442905652858
1998-01-01	0.946362586770648
1999-01-01	0.925532659116537
2000-01-01	0.910165985880874
2001-01-01	0.914539032417294
2002-01-01	0.932383079227149
2003-01-01	0.913309915437936
2004-01-01	0.915526254880646
2005-01-01	0.905904923042664
2006-01-01	0.918777256639743
2007-01-01	0.927959632622826
2008-01-01	0.967907382217702
2009-01-01	1.044016225343550
2010-01-01	1.000000000000000