Year	% of relevant age group
1997	22.4187507629395
1999	31.9235897064209
2001	24.0802898406982
2002	31.1494102478027
2003	35.7126693725586
2004	38.2157592773438
2005	40.7515907287598
2006	43.227180480957
2007	49.3796691894531
2008	54.5096015930176
2010	56.3469696044922
2011	54.3170013427734
2012	54.4020004272461
2013	45.8520011901855
2014	45.2919998168945
2015	47.1910018920898
2016	45.673999786377
2017	48.3019981384277
2018	49.8969993591309
2019	50.4650001525879
2020	52.763500213623
2021	52.8250007629395
2022	57.1209983825684