Year	scale 1-100
1970	35
1971	35
1972	35
1973	38.125
1974	38.125
1975	38.125
1976	38.125
1977	38.125
1978	38.125
1979	38.125
1980	38.125
1981	38.125
1982	38.125
1983	38.125
1984	38.125
1985	38.125
1986	38.125
1987	38.125
1988	38.125
1989	38.125
1990	38.125
1991	38.125
1992	38.125
1993	38.125
1994	38.125
1995	38.125
1996	38.125
1997	38.125
1998	38.125
1999	38.125
2000	38.125
2001	38.125
2002	38.125
2003	38.125
2004	38.125
2005	38.125
2006	38.125
2007	43.75
2008	43.75
2009	46.875
2010	46.875
2011	49.375
2012	49.375
2013	49.375
2014	49.375
2015	49.375
2016	49.375
2017	49.375
2018	49.375
2019	49.375
2020	49.375
2021	49.375
2022	49.375
2023	49.375