Year	% of relevant age group
1971	39.6094284057617
1972	43.9691314697266
1973	49.4446182250977
1974	51.1460990905762
1976	48.5901489257812
1977	49.2447509765625
1981	46.6422500610352
1982	50.1968803405762
1983	53.0193290710449
1984	51.2831687927246
1987	63.8814010620117
1988	67.3831176757812
1989	64.3897399902344
1991	64.4867630004883
1992	64.0922775268555
1993	64.5842666625977
1995	65.7464065551758
1996	69.9797668457031
1998	76.0774612426758
2000	83.0839309692383
2001	84.4431381225586
2002	85.213249206543
2003	86.1616287231445
2005	90.1685791015625
2006	89.1430435180664
2007	93.8219833374023
2008	94.2752532958984
2009	97.2098388671875
2010	97.8149337768555
2011	99.4870223999023
2012	98.0229415893555
2013	96.4100189208984
2014	95.6243209838867
2015	92.7401962280273
2016	92.4856719970703