Year	scale 1-100
1970	44.375
1971	44.375
1972	44.375
1973	44.375
1974	44.375
1975	44.375
1976	44.375
1977	44.375
1978	44.375
1979	44.375
1980	44.375
1981	44.375
1982	44.375
1983	44.375
1984	44.375
1985	44.375
1986	44.375
1987	44.375
1988	44.375
1989	44.375
1990	44.375
1991	44.375
1992	44.375
1993	44.375
1994	44.375
1995	44.375
1996	44.375
1997	44.375
1998	44.375
1999	44.375
2000	44.375
2001	44.375
2002	44.375
2003	44.375
2004	44.375
2005	44.375
2006	44.375
2007	44.375
2008	50.625
2009	61.875
2010	61.875
2011	61.875
2012	64.375
2013	64.375
2014	70.625
2015	70.625
2016	70.625
2017	73.75
2018	73.75
2019	73.75
2020	73.75
2021	73.75
2022	73.75
2023	73.75