Year	scale 1-100
1970	59.375
1971	59.375
1972	59.375
1973	59.375
1974	59.375
1975	59.375
1976	59.375
1977	59.375
1978	59.375
1979	59.375
1980	59.375
1981	59.375
1982	59.375
1983	59.375
1984	59.375
1985	59.375
1986	59.375
1987	59.375
1988	59.375
1989	59.375
1990	59.375
1991	59.375
1992	59.375
1993	59.375
1994	65
1995	65
1996	77.5
1997	77.5
1998	77.5
1999	77.5
2000	77.5
2001	77.5
2002	77.5
2003	77.5
2004	80
2005	80
2006	80
2007	82.5
2008	82.5
2009	82.5
2010	85.625
2011	85.625
2012	85.625
2013	85.625
2014	85.625
2015	85.625
2016	91.25
2017	91.25
2018	91.25
2019	91.25
2020	91.25
2021	91.25
2022	91.25
2023	91.25