Year	% of relevant age group
1997	13.1939697265625
1999	17.5290794372559
2001	11.6728000640869
2002	17.9192695617676
2003	21.6566295623779
2004	25.1687507629395
2005	29.3736190795898
2006	32.9624214172363
2007	38.0264587402344
2008	44.5615501403809
2010	51.2232208251953
2011	49.6189994812012
2012	50.8400001525879
2013	44.6240005493164
2014	45.8489990234375
2015	49.0019989013672
2016	48.7859992980957
2017	54.5050010681152
2018	58.564998626709
2019	60.3219985961914
2020	63.283748626709
2021	63.9879989624023
2022	67.5380020141602