Year	scale 1-100
1970	32.5
1971	32.5
1972	32.5
1973	46.875
1974	46.875
1975	46.875
1976	46.875
1977	46.875
1978	46.875
1979	46.875
1980	46.875
1981	46.875
1982	46.875
1983	46.875
1984	46.875
1985	46.875
1986	46.875
1987	46.875
1988	46.875
1989	46.875
1990	46.875
1991	46.875
1992	46.875
1993	46.875
1994	46.875
1995	46.875
1996	46.875
1997	46.875
1998	46.875
1999	46.875
2000	46.875
2001	46.875
2002	46.875
2003	46.875
2004	46.875
2005	46.875
2006	46.875
2007	46.875
2008	46.875
2009	46.875
2010	46.875
2011	46.875
2012	46.875
2013	46.875
2014	46.875
2015	46.875
2016	46.875
2017	46.875
2018	46.875
2019	46.875
2020	46.875
2021	46.875
2022	46.875
2023	46.875