Year	scale 1-100
1970	28.125
1971	28.125
1972	28.125
1973	37.5
1974	40
1975	40
1976	40
1977	40
1978	40
1979	40
1980	40
1981	40
1982	40
1983	40
1984	40
1985	40
1986	40
1987	40
1988	40
1989	40
1990	40
1991	40
1992	40
1993	40
1994	40
1995	40
1996	40
1997	40
1998	49.375
1999	49.375
2000	49.375
2001	49.375
2002	49.375
2003	46.875
2004	46.875
2005	65.625
2006	65.625
2007	71.875
2008	71.875
2009	71.875
2010	71.875
2011	71.875
2012	74.375
2013	74.375
2014	74.375
2015	74.375
2016	74.375
2017	74.375
2018	74.375
2019	74.375
2020	77.5
2021	80.625
2022	83.75
2023	83.75