Year	scale 1-100
1970	64.375
1971	64.375
1972	64.375
1973	64.375
1974	64.375
1975	64.375
1976	64.375
1977	64.375
1978	64.375
1979	64.375
1980	64.375
1981	64.375
1982	64.375
1983	64.375
1984	64.375
1985	64.375
1986	64.375
1987	64.375
1988	64.375
1989	64.375
1990	64.375
1991	64.375
1992	64.375
1993	64.375
1994	64.375
1995	64.375
1996	64.375
1997	64.375
1998	64.375
1999	64.375
2000	64.375
2001	64.375
2002	80
2003	80
2004	88.125
2005	88.125
2006	88.125
2007	88.125
2008	90.625
2009	90.625
2010	90.625
2011	90.625
2012	90.625
2013	90.625
2014	90.625
2015	90.625
2016	90.625
2017	90.625
2018	90.625
2019	93.75
2020	96.875
2021	96.875
2022	96.875
2023	96.875