Year	Index
1960-01-01	14.325600000000000
1961-01-01	14.540000000000000
1962-01-01	15.354900000000000
1963-01-01	15.315900000000000
1964-01-01	14.125800000000000
1965-01-01	11.083000000000000
1966-01-01	12.714500000000000
1967-01-01	10.030000000000000
1968-01-01	9.855900000000000
1969-01-01	11.840100000000000
1970-01-01	14.739900000000000
1971-01-01	14.484900000000000
1972-01-01	15.140800000000000
1973-01-01	15.537600000000000
1974-01-01	14.932800000000000
1975-01-01	13.921300000000000
1976-01-01	10.290700000000000
1977-01-01	8.085950000000000
1978-01-01	7.877669999999999
1979-01-01	6.758430000000001
1980-01-01	6.881790000000000
1981-01-01	7.707000000000001
1982-01-01	11.295300000000000
1983-01-01	10.067300000000000
1984-01-01	9.799880000000000
1985-01-01	10.793100000000000
1986-01-01	11.290000000000000
1987-01-01	18.224000000000000
1988-01-01	25.136000000000000
1989-01-01	13.873400000000000
1990-01-01	16.845500000000000
1991-01-01	24.834300000000000
1992-01-01	21.903300000000000
1993-01-01	22.051100000000000
1994-01-01	18.683900000000000
1995-01-01	16.957100000000000
1996-01-01	15.817700000000000
1997-01-01	15.165800000000000
1998-01-01	21.764600000000000
1999-01-01	22.098600000000000
2000-01-01	21.643100000000000
2001-01-01	22.285000000000000
2002-01-01	23.523300000000000
2003-01-01	21.718000000000004
2004-01-01	19.817600000000000
2005-01-01	15.607900000000000
2006-01-01	16.332400000000000
2007-01-01	18.392300000000000
2008-01-01	26.196900000000000
2009-01-01	38.240500000000000
2010-01-01	25.502400000000000
2011-01-01	20.749300000000000
2012-01-01	19.794500000000000
2013-01-01	20.223100000000000
2014-01-01	22.305000000000000
2015-01-01	18.242500000000000
2016-01-01	24.948600000000000
2017-01-01	21.058100000000000