Year	% of relevant age group
1970	96.4651565551758
1971	96.4236679077148
1972	96.0412368774414
1973	96.8893432617188
1974	96.9644927978516
1975	97.1342086791992
1976	97.596061706543
1977	97.6154403686523
1978	100.332946777344
1979	96.2702484130859
1980	98.0567398071289
1981	97.9607315063477
1982	97.3069000244141
1983	97.5125198364258
1984	98.5669479370117
1985	98.5315399169922
1986	98.7978286743164
1987	99.2005310058594
1988	98.9732666015625
1989	98.5342330932617
1990	98.9928970336914
1991	98.6684188842773
1992	98.5360107421875
1993	98.3520126342773
1994	98.7942810058594
1995	99.1428833007812
1996	99.097282409668
1997	99.1100387573242
1998	99.23095703125
1999	99.2279815673828
2000	98.7453689575195
2001	99.5336380004883
2002	99.4166412353516
2003	99.4512176513672
2004	99.8719482421875
2005	99.9073333740234
2006	99.2383117675781
2007	99.3941268920898
2008	99.2182006835938
2009	99.2567825317383
2010	99.0702590942383
2011	98.8351669311523
2012	98.7505035400391
2013	98.8283081054688
2014	98.38037109375
2015	98.3506393432617
2016	98.0453720092773
2017	97.7423324584961
2018	97.8688125610352
2019	98.5442276000977
2020	98.7206497192383
2021	98.9572830200195
2022	98.8233337402344