Year	scale 1-100
1970	31.25
1971	31.25
1972	31.25
1973	31.25
1974	28.125
1975	30.625
1976	30.625
1977	30.625
1978	33.125
1979	33.125
1980	33.125
1981	33.125
1982	33.125
1983	33.125
1984	33.125
1985	33.125
1986	33.125
1987	33.125
1988	33.125
1989	38.125
1990	50.625
1991	50.625
1992	50.625
1993	50.625
1994	50.625
1995	50.625
1996	50.625
1997	50.625
1998	50.625
1999	56.875
2000	56.875
2001	63.125
2002	79.375
2003	79.375
2004	79.375
2005	79.375
2006	79.375
2007	81.875
2008	81.875
2009	81.875
2010	81.875
2011	81.875
2012	81.875
2013	81.875
2014	81.875
2015	81.875
2016	81.875
2017	81.875
2018	81.875
2019	81.875
2020	85
2021	85
2022	85
2023	85