Year	% of relevant age group
1971	1.94983005523682
1972	2.28483009338379
1973	3.39393997192383
1974	2.92616009712219
1975	4.36183977127075
1976	4.19909000396729
1977	4.59313011169434
1978	4.14434003829956
1979	4.69695997238159
1980	4.61588001251221
1981	5.69059991836548
1983	8.40480995178223
1984	7.63797998428345
1990	2.44882988929749
2000	9.09335994720459
2001	10.0672101974487
2002	8.21749019622803
2006	17.1031398773193
2011	27.5050392150879
2013	35.9819297790527
2014	34.2872581481934
2015	37.6066818237305
2016	39.618221282959
2020	29.4324398040771
2021	33.6212387084961
2022	27.7104797363281