Year	scale 1-100
1970	43.75
1971	43.75
1972	43.75
1973	43.75
1974	53.125
1975	53.125
1976	53.125
1977	53.125
1978	53.125
1979	53.125
1980	53.125
1981	53.125
1982	53.125
1983	53.125
1984	53.125
1985	53.125
1986	53.125
1987	53.125
1988	53.125
1989	53.125
1990	53.125
1991	53.125
1992	53.125
1993	53.125
1994	55.625
1995	55.625
1996	55.625
1997	55.625
1998	55.625
1999	55.625
2000	55.625
2001	55.625
2002	55.625
2003	55.625
2004	55.625
2005	55.625
2006	55.625
2007	55.625
2008	55.625
2009	55.625
2010	55.625
2011	55.625
2012	55.625
2013	55.625
2014	55.625
2015	55.625
2016	55.625
2017	55.625
2018	64.375
2019	64.375
2020	64.375
2021	64.375
2022	64.375
2023	64.375