Year	scale 1-100
1970	43.125
1971	43.125
1972	43.125
1973	43.125
1974	43.125
1975	43.125
1976	43.125
1977	43.125
1978	43.125
1979	43.125
1980	43.125
1981	43.125
1982	43.125
1983	43.125
1984	45.625
1985	45.625
1986	45.625
1987	45.625
1988	45.625
1989	45.625
1990	45.625
1991	45.625
1992	45.625
1993	45.625
1994	45.625
1995	51.25
1996	51.25
1997	51.25
1998	51.25
1999	51.25
2000	51.25
2001	51.25
2002	51.25
2003	51.25
2004	51.25
2005	51.25
2006	51.25
2007	51.25
2008	51.25
2009	51.25
2010	51.25
2011	51.25
2012	51.25
2013	51.25
2014	51.25
2015	51.25
2016	51.25
2017	57.5
2018	57.5
2019	57.5
2020	57.5
2021	82.5
2022	95
2023	95