Year	% of relevant age group
1971	62.692440032959
1972	64.8392028808594
1976	72.8309707641602
1977	74.3323593139648
1978	77.5763473510742
1980	75.0140991210938
1981	75.6943206787109
1982	78.1394882202148
1983	78.8267211914062
1984	79.7891693115234
1988	62.2122383117676
1991	63.9578094482422
1992	59.3583297729492
1993	65.7070007324219
1994	57.1067581176758
1999	35.8545608520508
2002	48.5714111328125
2007	59.2085113525391
2008	64.3513488769531
2009	69.0586395263672
2010	68.8440475463867
2011	72.4988021850586
2012	77.44677734375
2013	73.8265914916992
2014	70.9879989624023
2015	67.5219497680664
2020	82.7255020141602
2021	86.1120529174805