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	51.875
2001	51.875
2002	61.25
2003	63.75
2004	63.75
2005	63.75
2006	63.75
2007	63.75
2008	63.75
2009	72.5
2010	72.5
2011	72.5
2012	72.5
2013	72.5
2014	72.5
2015	72.5
2016	72.5
2017	78.125
2018	78.125
2019	81.25
2020	83.75
2021	83.75
2022	83.75
2023	91.875