Year	% of relevant age group
1972	6.58345985412598
1973	12.3425302505493
1986	20.9544200897217
1987	21.7001399993896
1998	27.6053695678711
1999	29.1424694061279
2000	28.0208606719971
2001	29.6707992553711
2002	29.0600605010986
2003	30.3263206481934
2004	32.017578125
2005	33.0314788818359
2006	34.461498260498
2007	34.0884208679199
2008	36.3759918212891
2009	45.7448196411133
2010	50.8184814453125
2011	49.8969993591309
2012	52.1190414428711
2013	51.7461700439453
2014	54.2567481994629
2016	54.21337890625
2017	53.9432182312012
2022	56.769401550293
2023	50.097339630127