Year	scale 1-100
1970	50.625
1971	50.625
1972	50.625
1973	50.625
1974	50.625
1975	50.625
1976	50.625
1977	50.625
1978	50.625
1979	50.625
1980	50.625
1981	50.625
1982	50.625
1983	50.625
1984	50.625
1985	50.625
1986	50.625
1987	50.625
1988	50.625
1989	50.625
1990	50.625
1991	50.625
1992	63.75
1993	63.125
1994	63.125
1995	63.125
1996	63.125
1997	63.125
1998	63.125
1999	63.125
2000	63.125
2001	63.125
2002	69.375
2003	69.375
2004	69.375
2005	69.375
2006	69.375
2007	69.375
2008	69.375
2009	69.375
2010	69.375
2011	69.375
2012	69.375
2013	69.375
2014	69.375
2015	69.375
2016	69.375
2017	69.375
2018	69.375
2019	69.375
2020	69.375
2021	69.375
2022	69.375
2023	69.375