Year	scale 1-100
1970	33.75
1971	33.75
1972	33.75
1973	33.75
1974	33.75
1975	33.75
1976	33.75
1977	33.75
1978	33.75
1979	33.75
1980	33.75
1981	33.75
1982	33.75
1983	33.75
1984	33.75
1985	33.75
1986	33.75
1987	36.25
1988	36.25
1989	36.25
1990	36.25
1991	36.25
1992	36.25
1993	36.25
1994	36.25
1995	36.25
1996	36.25
1997	36.25
1998	36.25
1999	36.25
2000	36.25
2001	36.25
2002	36.25
2003	36.25
2004	36.25
2005	59.375
2006	59.375
2007	59.375
2008	76.875
2009	76.875
2010	79.375
2011	79.375
2012	79.375
2013	79.375
2014	79.375
2015	79.375
2016	79.375
2017	79.375
2018	82.5
2019	82.5
2020	82.5
2021	82.5
2022	82.5
2023	82.5