Year	scale 1-100
1970	25.625
1971	25.625
1972	25.625
1973	25.625
1974	31.875
1975	31.875
1976	31.875
1977	31.875
1978	31.875
1979	31.875
1980	51.25
1981	51.25
1982	51.25
1983	51.25
1984	51.25
1985	51.25
1986	51.25
1987	51.25
1988	51.25
1989	51.25
1990	51.25
1991	51.25
1992	51.25
1993	51.25
1994	51.25
1995	51.25
1996	51.25
1997	51.25
1998	51.25
1999	51.25
2000	51.25
2001	51.25
2002	51.25
2003	51.25
2004	51.25
2005	51.25
2006	51.25
2007	69.375
2008	69.375
2009	69.375
2010	69.375
2011	75.625
2012	75.625
2013	81.875
2014	81.875
2015	84.375
2016	84.375
2017	84.375
2018	84.375
2019	84.375
2020	84.375
2021	81.875
2022	81.875
2023	97.5