Year	scale 1-100
1970	65.625
1971	65.625
1972	65.625
1973	65.625
1974	65.625
1975	68.125
1976	68.125
1977	68.125
1978	73.125
1979	73.125
1980	73.125
1981	73.125
1982	73.125
1983	73.125
1984	73.125
1985	73.125
1986	73.125
1987	79.375
1988	79.375
1989	82.5
1990	82.5
1991	82.5
1992	82.5
1993	82.5
1994	82.5
1995	82.5
1996	82.5
1997	82.5
1998	82.5
1999	85
2000	85
2001	85
2002	85
2003	85
2004	85
2005	94.375
2006	94.375
2007	94.375
2008	94.375
2009	97.5
2010	97.5
2011	97.5
2012	97.5
2013	97.5
2014	97.5
2015	97.5
2016	97.5
2017	97.5
2018	97.5
2019	97.5
2020	97.5
2021	97.5
2022	97.5
2023	97.5