Year	scale 1-100
1970	55.625
1971	52.5
1972	58.125
1973	58.125
1974	58.125
1975	58.125
1976	58.125
1977	58.125
1978	58.125
1979	58.125
1980	58.125
1981	58.125
1982	58.125
1983	58.125
1984	58.125
1985	58.125
1986	58.125
1987	58.125
1988	58.125
1989	58.125
1990	58.125
1991	61.25
1992	64.375
1993	66.875
1994	66.875
1995	66.875
1996	66.875
1997	66.875
1998	66.875
1999	66.875
2000	66.875
2001	66.875
2002	73.125
2003	73.125
2004	73.125
2005	73.125
2006	73.125
2007	73.125
2008	73.125
2009	73.125
2010	73.125
2011	73.125
2012	73.125
2013	73.125
2014	73.125
2015	73.125
2016	73.125
2017	73.125
2018	73.125
2019	73.125
2020	73.125
2021	73.125
2022	73.125
2023	73.125