Year	scale 1-100
1970	41.25
1971	41.25
1972	41.25
1973	43.75
1974	43.75
1975	43.75
1976	43.75
1977	43.75
1978	43.75
1979	43.75
1980	43.75
1981	43.75
1982	46.875
1983	46.875
1984	46.875
1985	46.875
1986	46.875
1987	46.875
1988	53.125
1989	53.125
1990	53.125
1991	53.125
1992	53.125
1993	53.125
1994	53.125
1995	53.125
1996	53.125
1997	53.125
1998	53.125
1999	53.125
2000	53.125
2001	53.125
2002	53.125
2003	53.125
2004	53.125
2005	53.125
2006	53.125
2007	53.125
2008	53.125
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	55.625
2019	55.625
2020	55.625
2021	55.625
2022	55.625
2023	55.625