Year	% of relevant age group
1971	57.7537612915039
1972	54.4035682678223
1973	51.0236206054688
1974	45.6420097351074
1975	46.5006217956543
1976	49.5595703125
1977	50.8383598327637
1978	63.7674713134766
1979	64.1725387573242
1980	64.810791015625
1981	64.2246932983398
1982	71.875
1984	76.4179077148438
1985	78.56591796875
1986	76.5596237182617
1987	67.0433120727539
1988	73.1201782226562
1989	74.1880569458008
1990	75.0262832641602
1991	78.3294372558594
1992	73.1124725341797
1993	72.9126510620117
1994	73.4424896240234
1995	67.8864898681641
1996	56.3779907226562
1998	91.8584899902344
1999	95.1686477661133
2003	85.9227294921875
2005	84.3937911987305
2006	86.7803192138672
2007	92.008659362793
2008	95.3380279541016
2009	98.1576309204102
2011	97.8007888793945
2013	94.7919235229492
2014	89.2091369628906
2015	94.3687133789062
2016	95.5435180664062
2017	99.1126022338867
2018	99.824333190918
2019	100.507362365723
2020	103.134178161621