Year	% of relevant age group
1971	70.7159423828125
1972	74.6176834106445
1973	78.3898086547852
1974	78.3052062988281
1975	84.0269470214844
1976	87.5955505371094
1977	88.4025268554688
1978	92.0685729980469
1979	91.1635665893555
1980	92.1847610473633
1981	91.908332824707
1982	91.7842864990234
1983	92.4741668701172
1984	94.5475692749023
1985	94.2507934570312
1986	95.4018096923828
1987	95.7899322509766
1988	92.7726211547852
1989	93.7965087890625
1990	97.441520690918
1991	98.6838531494141
1992	99.6991119384766
1993	101.745460510254
1994	100.116226196289
1995	100.183029174805
1996	100.284332275391
1997	101.226119995117
1999	105.618850708008
2001	102.753089904785
2002	101.587532043457
2003	101.394706726074
2004	100.797950744629
2005	101.182022094727
2006	101.09285736084
2007	101.512733459473
2008	100.370681762695
2009	100.1103515625
2010	100.29322052002
2011	102.597320556641
2012	100.36833190918
2013	101.076286315918
2014	100.312538146973
2015	98.6104888916016
2016	99.1905364990234
2017	99.1962814331055
2018	99.1247100830078
2019	98.7161483764648
2020	99.85009765625
2021	99.8123168945312