Year	scale 1-100
1970	58.125
1971	58.125
1972	58.125
1973	58.125
1974	58.125
1975	58.125
1976	58.125
1977	58.125
1978	58.125
1979	58.125
1980	58.125
1981	58.125
1982	58.125
1983	58.125
1984	58.125
1985	58.125
1986	58.125
1987	58.125
1988	58.125
1989	58.125
1990	58.125
1991	61.25
1992	61.25
1993	61.25
1994	61.25
1995	61.25
1996	61.25
1997	61.25
1998	61.25
1999	61.25
2000	61.25
2001	61.25
2002	61.25
2003	64.375
2004	67.5
2005	67.5
2006	67.5
2007	67.5
2008	70.625
2009	67.5
2010	67.5
2011	73.125
2012	75.625
2013	78.75
2014	78.75
2015	78.75
2016	78.75
2017	78.75
2018	78.75
2019	78.75
2020	85
2021	85
2022	85
2023	85