Year	% of relevant age group
1970	47.7293891906738
1972	46.5214881896973
1973	49.891731262207
1974	50.8593406677246
1975	50.4622917175293
1976	51.2784690856934
1977	53.1220092773438
1978	54.1917381286621
1980	58.8521308898926
1981	61.6187400817871
1982	63.0934410095215
1983	65.8916625976562
1984	67.1447601318359
1985	68.9800872802734
1986	67.5217666625977
1987	68.6121673583984
1988	68.721061706543
1989	68.7021179199219
1990	70.2566833496094
1991	73.8974304199219
1992	74.2746887207031
1993	80.1766662597656
1994	79.7495727539062
1995	80.8833084106445
1996	84.6955718994141
1998	93.5061187744141
1999	89.6062927246094
2000	92.8403472900391
2001	92.2383422851562
2002	94.0172119140625
2003	96.2145690917969
2004	95.2212371826172
2005	96.2294921875
2006	96.5409164428711
2007	97.9558715820312
2008	98.8721389770508
2009	99.0155868530273
2010	98.566291809082
2011	94.9121398925781
2012	93.8501129150391
2016	95.1098327636719
2020	83.5367584228516
2022	86.5394668579102