Year	Index 2010=1
1975-01-01	0.33380000000000004
1976-01-01	0.36080000000000000
1977-01-01	0.39030000000000004
1978-01-01	0.37950000000000006
1979-01-01	0.39659999999999995
1980-01-01	0.43660000000000000
1981-01-01	0.45409999999999995
1982-01-01	0.43990000000000000
1983-01-01	0.44740000000000000
1984-01-01	0.49830000000000000
1985-01-01	0.52670000000000010
1986-01-01	0.53420000000000000
1987-01-01	0.54590000000000000
1988-01-01	0.58930000000000000
1989-01-01	0.64520000000000000
1990-01-01	0.66530000000000000
1991-01-01	0.64150000000000010
1992-01-01	0.62720000000000000
1993-01-01	0.60490000000000000
1994-01-01	0.64150000000000010
1995-01-01	0.63510000000000000
1996-01-01	0.62850000000000010
1997-01-01	0.67630000000000000
1998-01-01	0.67270000000000000
1999-01-01	0.70220000000000000
2000-01-01	0.77170000000000000
2001-01-01	0.74650000000000000
2002-01-01	0.73580000000000000
2003-01-01	0.73680000000000010
2004-01-01	0.79120000000000000
2005-01-01	0.82860000000000000
2006-01-01	0.92660000000000000
2007-01-01	1.03920000000000010
2008-01-01	1.04530000000000010
2009-01-01	0.92860000000000000
2010-01-01	1.00000000000000000
2011-01-01	1.00220000000000000