Year	% of relevant age group
1971	69.7392120361328
1972	69.7331314086914
1973	70.104850769043
1974	70.8878402709961
1975	77.1841812133789
1976	79.8647689819336
1977	79.8550415039063
1978	84.6247711181641
1979	82.4998092651367
1980	85.127197265625
1981	87.2329635620117
1982	84.5442886352539
1983	82.7321395874023
1984	81.3035202026367
1985	82.4741363525391
1986	82.3576736450195
1987	80.3861618041992
1988	80.4928665161133
1989	80.0053100585938
1990	77.5046768188477
1991	76.1265335083008
1992	76.8254776000977
1993	77.4226837158203
1994	80.3652267456055
1995	86.3027572631836
1996	89.5138626098633
1997	100.050201416016
1998	96.3821563720703
1999	90.8899307250977
2000	100.447700500488
2001	106.272499084473
2002	111.265281677246
2003	112.104309082031
2004	113.089851379395
2005	117.263816833496
2006	116.760848999023
2007	120.597778320313
2008	127.965919494629
2009	122.725563049316
2010	122.1283
2011	125.2201
2012	123.9813
2013	125.4018
2014	127.752
2015	127.7842
2016	127.7358
2017	126.542
2018	124.6291