Year	scale 1-100
1970	66.875
1971	66.875
1972	66.875
1973	66.875
1974	66.875
1975	66.875
1976	66.875
1977	66.875
1978	66.875
1979	66.875
1980	66.875
1981	66.875
1982	66.875
1983	66.875
1984	66.875
1985	66.875
1986	66.875
1987	66.875
1988	66.875
1989	66.875
1990	66.875
1991	70
1992	69.375
1993	69.375
1994	69.375
1995	69.375
1996	69.375
1997	69.375
1998	69.375
1999	69.375
2000	69.375
2001	69.375
2002	69.375
2003	69.375
2004	75.625
2005	75.625
2006	75.625
2007	78.75
2008	78.75
2009	78.75
2010	81.25
2011	90.625
2012	93.75
2013	93.75
2014	93.75
2015	93.75
2016	93.75
2017	93.75
2018	93.75
2019	93.75
2020	93.75
2021	93.75
2022	93.75
2023	93.75