Year	scale 1-100
1970	50
1971	50
1972	56.25
1973	56.25
1974	56.25
1975	56.25
1976	56.25
1977	56.25
1978	56.25
1979	56.25
1980	56.25
1981	56.25
1982	56.25
1983	58.75
1984	58.75
1985	61.875
1986	61.875
1987	61.875
1988	64.375
1989	64.375
1990	64.375
1991	64.375
1992	73.125
1993	73.125
1994	73.125
1995	73.125
1996	73.125
1997	73.125
1998	73.125
1999	73.125
2000	73.125
2001	73.125
2002	81.25
2003	81.25
2004	81.25
2005	81.25
2006	81.25
2007	81.25
2008	81.25
2009	81.25
2010	81.25
2011	81.25
2012	81.25
2013	81.25
2014	81.25
2015	81.25
2016	81.25
2017	81.25
2018	81.25
2019	81.25
2020	81.25
2021	81.25
2022	81.25
2023	81.25