Year	% of relevant age group
1970	61.8187294006348
1971	61.8317184448242
1972	61.8283195495605
1973	63.6306495666504
1974	64.8542022705078
1975	69.1182632446289
1976	71.1616134643555
1977	74.0398330688477
1978	74.0464782714844
1979	68.787239074707
1980	71.5035705566406
1981	75.2063293457031
1982	75.1894378662109
1983	76.0503768920898
1984	78.3837280273438
1985	83.1770095825195
1986	81.6235427856445
1987	80.5493927001953
1988	81.0082473754883
1989	81.333251953125
1990	82.8357009887695
1991	83.5309829711914
1992	84.8919525146484
1993	85.3202819824219
1994	84.9075622558594
1995	86.2240295410156
1996	86.3438720703125
1997	86.215461730957
1998	86.2865371704102
1999	86.3587875366211
2000	85.4997177124023
2001	86.6899337768555
2002	85.78076171875
2003	86.6278228759766
2004	88.9614181518555
2005	91.3105621337891
2006	88.6729202270508
2007	89.7414627075195
2008	92.3730926513672
2009	89.8884963989258
2010	90.7323684692383
2011	90.6877593994141
2012	91.2815704345703
2013	87.7592010498047
2014	87.3127212524414
2015	86.6670684814453
2016	85.8035507202148
2017	85.2604675292969
2018	86.3184509277344
2019	87.2159881591797
2020	88.2609176635742
2021	88.761360168457
2022	88.3138275146484