Year	% of relevant age group
1971	22.2363300323486
1972	24.3802795410156
1973	25.5215492248535
1975	28.3103008270264
1988	37.6659317016602
1989	34.9424209594727
1990	34.6869812011719
1991	33.7608909606934
1992	30.6049900054932
1993	31.8837394714355
1994	29.679630279541
1995	28.3106002807617
1996	29.752799987793
1998	29.5909595489502
1999	32.8090400695801
2000	35.5633888244629
2001	35.1886787414551
2002	35.1538505554199
2003	38.8538284301758
2004	44.6912002563477
2005	55.7362899780273
2006	54.5367393493652
2007	58.7707786560059
2008	65.5713729858398
2009	73.1989288330078
2010	70.5915069580078
2011	71.6953277587891
2012	70.3428802490234
2013	69.6865463256836
2014	69.7999725341797
2015	69.9765090942383
2016	68.4594497680664
2017	67.7799987792969
2018	65.8189315795898
2019	63.3280982971191
2020	61.7509994506836
2021	65.6060028076172
2022	61.9770011901855