Year	scale 1-100
1970	55.625
1971	55
1972	55
1973	55
1974	55
1975	55
1976	55
1977	55
1978	55
1979	55
1980	55
1981	55
1982	55
1983	55
1984	55
1985	55
1986	55
1987	55
1988	55
1989	55
1990	55
1991	55
1992	55
1993	55
1994	55
1995	55
1996	55
1997	55
1998	61.25
1999	61.25
2000	61.25
2001	61.25
2002	61.25
2003	70
2004	73.125
2005	76.25
2006	76.25
2007	73.75
2008	73.75
2009	76.875
2010	76.875
2011	76.875
2012	76.875
2013	76.875
2014	76.875
2015	76.875
2016	76.875
2017	76.875
2018	76.875
2019	76.875
2020	76.875
2021	76.875
2022	76.875
2023	76.875