Year	scale 1-100
1970	45
1971	45
1972	45
1973	45
1974	45
1975	48.125
1976	48.125
1977	48.125
1978	48.125
1979	48.125
1980	48.125
1981	48.125
1982	48.125
1983	48.125
1984	48.125
1985	48.125
1986	51.25
1987	51.25
1988	51.25
1989	51.25
1990	51.25
1991	51.25
1992	56.25
1993	64.375
1994	80
1995	80
1996	80
1997	80
1998	86.25
1999	89.375
2000	89.375
2001	91.875
2002	91.875
2003	91.875
2004	91.875
2005	91.875
2006	91.875
2007	91.875
2008	91.875
2009	91.875
2010	91.875
2011	91.875
2012	91.875
2013	91.875
2014	91.875
2015	91.875
2016	94.375
2017	94.375
2018	94.375
2019	94.375
2020	94.375
2021	94.375
2022	94.375
2023	94.375