Year	% of relevant age group
1999	63.0658111572266
2000	63.3169898986816
2001	63.4783210754395
2002	63.1451988220215
2003	62.7838592529297
2004	62.6092796325684
2005	63.4729194641113
2006	65.2379608154297
2007	63.2410888671875
2008	61.3196411132812
2009	62.8136787414551
2010	64.461540222168
2011	63.6885681152344
2012	65.28173828125
2013	65.6958923339844
2014	66.225830078125
2015	66.88818359375
2016	67.1356887817383
2017	67.6817321777344
2018	68.4488830566406
2019	69.636833190918
2020	69.7572937011719