Year	scale 1-100
1970	55.625
1971	55
1972	55
1973	55
1974	55
1975	55
1976	55
1977	55
1978	55
1979	55
1980	55
1981	55
1982	55
1983	55
1984	55
1985	55
1986	55
1987	55
1988	55
1989	55
1990	55
1991	58.125
1992	66.875
1993	66.875
1994	66.875
1995	66.875
1996	66.875
1997	66.875
1998	66.875
1999	66.875
2000	66.875
2001	66.875
2002	66.875
2003	66.875
2004	66.875
2005	66.875
2006	73.125
2007	73.125
2008	73.125
2009	75.625
2010	75.625
2011	75.625
2012	75.625
2013	78.75
2014	76.25
2015	76.25
2016	76.25
2017	76.25
2018	79.375
2019	79.375
2020	79.375
2021	85
2022	85
2023	85