Year	Index 2010=1
1981-01-01	0.295014842671715
1982-01-01	0.343046740743289
1983-01-01	0.395332476281595
1984-01-01	0.428807127704628
1985-01-01	0.461944623375622
1986-01-01	0.485452663042958
1987-01-01	0.510008300665021
1988-01-01	0.536850537800106
1989-01-01	0.564915440557522
1990-01-01	0.617077773237829
1991-01-01	0.665561968460667
1992-01-01	0.693002477144066
1993-01-01	0.702252281670785
1994-01-01	0.699467961456012
1995-01-01	0.709795572110688
1996-01-01	0.744706195556692
1997-01-01	0.765563730612423
1998-01-01	0.752414511887843
1999-01-01	0.765016415539547
2000-01-01	0.763172093360123
2001-01-01	0.787710053237065
2002-01-01	0.813739336677876
2003-01-01	0.849183502771724
2004-01-01	0.862686944142580
2005-01-01	0.888552627010874
2006-01-01	0.905187249092251
2007-01-01	0.924624297328014
2008-01-01	0.962398976658947
2009-01-01	1.001634617336970
2010-01-01	1.000000000000000