Year	scale 1-100
1970	43.75
1971	50
1972	50
1973	50
1974	50
1975	50
1976	50
1977	50
1978	50
1979	52.5
1980	52.5
1981	52.5
1982	52.5
1983	52.5
1984	52.5
1985	52.5
1986	52.5
1987	52.5
1988	52.5
1989	52.5
1990	63.125
1991	63.125
1992	63.125
1993	63.125
1994	63.125
1995	65.625
1996	65.625
1997	65.625
1998	65.625
1999	65.625
2000	80.625
2001	80.625
2002	80.625
2003	80.625
2004	80.625
2005	80.625
2006	80.625
2007	83.75
2008	83.75
2009	83.75
2010	83.75
2011	83.75
2012	83.75
2013	83.75
2014	83.75
2015	83.75
2016	83.75
2017	83.75
2018	83.75
2019	83.75
2020	83.75
2021	83.75
2022	83.75
2023	83.75