Year	scale 1-100
1970	61.875
1971	61.875
1972	61.875
1973	61.875
1974	61.875
1975	61.875
1976	61.875
1977	61.875
1978	61.875
1979	61.875
1980	61.875
1981	61.875
1982	61.875
1983	61.875
1984	61.875
1985	61.875
1986	61.875
1987	61.875
1988	61.875
1989	61.875
1990	65
1991	67.5
1992	67.5
1993	67.5
1994	67.5
1995	67.5
1996	67.5
1997	67.5
1998	67.5
1999	67.5
2000	67.5
2001	67.5
2002	67.5
2003	67.5
2004	67.5
2005	67.5
2006	67.5
2007	67.5
2008	67.5
2009	70.625
2010	70.625
2011	80
2012	80
2013	80
2014	80
2015	80
2016	80
2017	82.5
2018	85
2019	85
2020	85
2021	85
2022	90.625
2023	90.625