Year	scale 1-100
1970	23.125
1971	23.125
1972	23.125
1973	23.125
1974	23.125
1975	23.125
1976	23.125
1977	23.125
1978	23.125
1979	23.125
1980	23.125
1981	23.125
1982	23.125
1983	23.125
1984	23.125
1985	23.125
1986	23.125
1987	23.125
1988	23.125
1989	23.125
1990	23.125
1991	23.125
1992	23.125
1993	23.125
1994	23.125
1995	23.125
1996	23.125
1997	23.125
1998	23.125
1999	23.125
2000	26.25
2001	26.25
2002	26.25
2003	26.25
2004	26.25
2005	26.25
2006	26.25
2007	26.25
2008	26.25
2009	26.25
2010	26.25
2011	26.25
2012	26.25
2013	26.25
2014	26.25
2015	26.25
2016	26.25
2017	38.125
2018	38.125
2019	26.25
2020	26.25
2021	26.25
2022	26.25
2023	26.25