Year	% of relevant age group
1999	31.4896793365479
2000	31.7831592559814
2001	32.8189811706543
2002	34.7537689208984
2003	36.2638397216797
2004	36.4987602233887
2005	37.1930503845215
2006	38.915111541748
2007	40.4870986938477
2008	41.9204292297363
2009	42.7128791809082
2010	43.538890838623
2011	44.1995010375977
2012	45.1816902160645
2013	45.7559013366699
2014	46.0620498657227
2015	46.3567390441895
2016	46.971809387207
2017	47.0293617248535
2018	47.4835815429688
2019	47.9212188720703
2020	47.822078704834