Year	% of relevant age group
1970	26.8566493988037
1971	30.1478595733643
1972	30.0380992889404
1973	32.2776298522949
1974	29.9892807006836
1977	34.0959510803223
1978	33.6411209106445
1979	29.6999492645264
1980	33.1674499511719
1982	30.0576305389404
1983	29.602180480957
1984	28.1059093475342
1985	30.2337703704834
1986	36.7382316589355
1987	45.3223915100098
1988	45.9153900146484
1989	40.0074081420898
1990	37.8331298828125
1991	41.056468963623
1992	43.5003814697266
1993	48.0400581359863
1994	53.5894889831543
1995	49.2785911560059
1999	65.8886184692383
2000	64.5352935791016
2001	65.1519165039062
2002	72.640998840332
2003	72.1965484619141
2004	72.9806518554688
2005	76.512092590332
2006	75.520393371582
2007	75.4878616333008
2008	74.5256118774414
2010	79.3237533569336
2022	80.6800308227539