Year	Index 2010=1
1971-01-01	0.0417071021638210
1972-01-01	0.0458642784199962
1973-01-01	0.0523694423851130
1974-01-01	0.0570534091759968
1975-01-01	0.0665347593997401
1976-01-01	0.0804878571950395
1977-01-01	0.0879867287448028
1978-01-01	0.0938457385880560
1979-01-01	0.1027351276472610
1980-01-01	0.1108681231857240
1981-01-01	0.1242028302786590
1982-01-01	0.1362517240449820
1983-01-01	0.1618265987044170
1984-01-01	0.1974897237717050
1985-01-01	0.2291454818255640
1986-01-01	0.2637097898117010
1987-01-01	0.2766244681346730
1988-01-01	0.2875461129207850
1989-01-01	0.2438829836310310
1990-01-01	0.2567948269212150
1991-01-01	0.2794574752114960
1992-01-01	0.3094092711445180
1993-01-01	0.3269241800169800
1994-01-01	0.3492910738858770
1995-01-01	0.3420128326167950
1996-01-01	0.3671771441825840
1997-01-01	0.3977095217172900
1998-01-01	0.4208474275266900
1999-01-01	0.4371281758280510
2000-01-01	0.4359065058885050
2001-01-01	0.4511891037280980
2002-01-01	0.4666718123031050
2003-01-01	0.5515645607194210
2004-01-01	0.6245346810284350
2005-01-01	0.6143893187321270
2006-01-01	0.6970909973028660
2007-01-01	0.7866838592053590
2008-01-01	0.9099088081969970
2009-01-01	0.9711601272272750
2010-01-01	1.0000000000000000
2011-01-01	0.9268962635022540
2012-01-01	1.0450761492505700
2013-01-01	0.8956357714215730