Year	scale 1-100
1970	34.375
1971	36.875
1972	36.875
1973	36.875
1974	36.875
1975	36.875
1976	40
1977	40
1978	40
1979	40
1980	40
1981	40
1982	40
1983	40
1984	40
1985	40
1986	42.5
1987	42.5
1988	42.5
1989	42.5
1990	42.5
1991	53.125
1992	53.125
1993	53.125
1994	56.25
1995	58.75
1996	58.75
1997	58.75
1998	58.75
1999	58.75
2000	58.75
2001	68.125
2002	68.125
2003	68.125
2004	68.125
2005	70.625
2006	73.75
2007	83.125
2008	83.125
2009	83.125
2010	83.125
2011	83.125
2012	83.125
2013	83.125
2014	85
2015	85
2016	85
2017	85
2018	85
2019	85.625
2020	85.625
2021	85.625
2022	85.625
2023	85.625