Year	scale 1-100
1970	46.875
1971	46.875
1972	46.875
1973	46.875
1974	46.875
1975	46.875
1976	46.875
1977	46.875
1978	46.875
1979	46.875
1980	46.875
1981	46.875
1982	46.875
1983	49.375
1984	49.375
1985	49.375
1986	49.375
1987	49.375
1988	49.375
1989	54.375
1990	54.375
1991	54.375
1992	57.5
1993	60.625
1994	60.625
1995	60.625
1996	60.625
1997	60.625
1998	60.625
1999	60.625
2000	60.625
2001	60.625
2002	60.625
2003	60.625
2004	60.625
2005	60.625
2006	60.625
2007	60.625
2008	60.625
2009	60.625
2010	60.625
2011	60.625
2012	63.125
2013	63.125
2014	63.125
2015	63.125
2016	78.75
2017	78.75
2018	78.75
2019	81.25
2020	81.25
2021	81.25
2022	81.25
2023	81.25