Year	scale 1-100
1970	34.375
1971	51.875
1972	51.875
1973	51.875
1974	51.875
1975	51.875
1976	51.875
1977	51.875
1978	51.875
1979	51.875
1980	51.875
1981	51.875
1982	51.875
1983	51.875
1984	51.875
1985	51.875
1986	51.875
1987	51.875
1988	51.875
1989	58.125
1990	63.75
1991	63.75
1992	63.75
1993	63.75
1994	63.75
1995	63.75
1996	66.25
1997	66.25
1998	66.25
1999	75.625
2000	75.625
2001	75.625
2002	78.75
2003	78.75
2004	78.75
2005	78.75
2006	81.25
2007	81.25
2008	81.25
2009	84.375
2010	84.375
2011	84.375
2012	84.375
2013	84.375
2014	84.375
2015	84.375
2016	89.375
2017	89.375
2018	89.375
2019	89.375
2020	89.375
2021	89.375
2022	89.375
2023	89.375