Year	scale 1-100
1970	53.125
1971	55.625
1972	55.625
1973	55.625
1974	55.625
1975	55.625
1976	55.625
1977	55.625
1978	55.625
1979	55.625
1980	55.625
1981	55.625
1982	55.625
1983	55.625
1984	55.625
1985	55.625
1986	55.625
1987	55.625
1988	52.5
1989	52.5
1990	52.5
1991	52.5
1992	52.5
1993	52.5
1994	52.5
1995	55.625
1996	67.5
1997	67.5
1998	67.5
1999	67.5
2000	67.5
2001	67.5
2002	67.5
2003	67.5
2004	67.5
2005	67.5
2006	67.5
2007	67.5
2008	67.5
2009	67.5
2010	67.5
2011	64.375
2012	64.375
2013	64.375
2014	64.375
2015	64.375
2016	64.375
2017	64.375
2018	64.375
2019	67.5
2020	70.625
2021	70.625
2022	70.625
2023	82.5