Year	% of relevant age group
1978	5.25678014755249
1979	6.07602977752686
1980	7.40218019485474
1981	8.25465965270996
1983	10.397439956665
1985	12.4773197174072
1986	11.7921695709229
1987	12.7304801940918
1988	13.1088304519653
1989	11.6499996185303
1991	10.98118019104
1992	11.4276695251465
1993	10.9709100723267
1994	11.2979202270508
1995	12.7713298797607
1999	13.5176801681519
2001	16.9229793548584
2002	16.1439990997314
2003	16.3985595703125
2004	16.3080196380615
2005	17.3733806610107
2006	19.7258796691895
2007	16.3372707366943
2009	15.8279495239258
2012	20.1258296966553
2014	29.5094394683838
2015	32.1375694274902
2016	29.0055809020996
2017	35.4144401550293
2018	40.3257293701172
2019	43.6787490844727