Year	% of relevant age group
1970	45.0231895446777
1971	43.5614013671875
1972	45.1590690612793
1973	53.016300201416
1974	57.9102516174316
1975	59.3247299194336
1976	58.938159942627
1977	59.6887588500977
1978	57.0359687805176
1979	56.3467903137207
1980	55.3442306518555
1981	59.9257202148438
1982	60.0074615478516
1983	61.8036499023438
1984	60.7834205627441
1985	61.6768493652344
1986	62.8662796020508
1987	61.9971694946289
1988	62.7374992370605
1989	58.8818817138672
1990	59.5148887634277
1991	57.3144607543945
1992	55.9010314941406
1993	57.7212600708008
1994	58.5067596435547
1995	60.7920608520508
1996	58.8945617675781
1997	59.07421875
1998	63.2309684753418
1999	60.8896408081055
2000	63.8303604125977
2001	61.6937103271484
2002	61.729118347168
2003	59.4508285522461
2004	62.4686584472656
2005	65.1236190795898
2006	66.7682723999023
2007	79.8895568847656
2009	82.5186996459961
2010	86.040153503418
2011	86.526123046875
2012	84.6535415649414
2013	87.2478179931641
2014	85.1767578125
2015	92.761848449707
2016	100.632911682129
2017	100.542541503906
2018	100.838317871094
2019	95.3187026977539