Year	scale 1-100
1970	59.375
1971	59.375
1972	59.375
1973	68.75
1974	68.75
1975	68.75
1976	68.75
1977	68.75
1978	68.75
1979	68.75
1980	68.75
1981	68.75
1982	71.875
1983	71.875
1984	71.875
1985	71.875
1986	71.875
1987	74.375
1988	74.375
1989	74.375
1990	74.375
1991	74.375
1992	74.375
1993	74.375
1994	74.375
1995	74.375
1996	86.875
1997	86.875
1998	86.875
1999	86.875
2000	86.875
2001	86.875
2002	86.875
2003	86.875
2004	86.875
2005	86.875
2006	86.875
2007	86.875
2008	86.875
2009	86.875
2010	86.875
2011	86.875
2012	86.875
2013	86.875
2014	86.875
2015	89.375
2016	89.375
2017	89.375
2018	89.375
2019	89.375
2020	89.375
2021	91.875
2022	91.875
2023	91.875