Year	scale 1-100
1970	35
1971	35
1972	35
1973	35
1974	44.375
1975	44.375
1976	44.375
1977	44.375
1978	44.375
1979	44.375
1980	44.375
1981	50
1982	50
1983	50
1984	50
1985	50
1986	50
1987	46.875
1988	46.875
1989	46.875
1990	46.875
1991	46.875
1992	46.875
1993	46.875
1994	57.5
1995	57.5
1996	57.5
1997	57.5
1998	57.5
1999	57.5
2000	57.5
2001	60
2002	60
2003	69.375
2004	69.375
2005	72.5
2006	75
2007	75
2008	77.5
2009	77.5
2010	77.5
2011	77.5
2012	82.5
2013	82.5
2014	82.5
2015	88.75
2016	88.75
2017	88.75
2018	88.75
2019	88.75
2020	88.75
2021	88.75
2022	91.25
2023	91.25