Year	% of relevant age group
1970	29.1187400817871
1971	29.271089553833
1972	29.8584003448486
1973	30.2427196502686
1974	30.6353607177734
1975	31.7056503295898
1976	32.3453483581543
1977	33.0095901489258
1978	34.4285011291504
1979	35.6450004577637
1980	36.9393501281738
1981	38.3068809509277
1982	39.743221282959
1983	41.136848449707
1984	42.647388458252
1985	44.1235198974609
1986	45.6773490905762
1987	47.2328414916992
1988	49.0632095336914
1989	50.4043998718262
1990	51.6603698730469
1991	52.9681282043457
1992	54.2510604858398
1993	55.4223289489746
1994	56.6933403015137
1995	58.0059204101562
1996	57.8554306030273
1997	57.7308502197266
1998	57.5530586242676
1999	57.4262313842773
2000	59.7351112365723
2001	61.3715400695801
2002	63.7728309631348
2003	69.5923767089844
2004	72.2061386108398
2005	74.9862594604492
2006	77.4000930786133
2007	79.9688415527344
2008	82.1922378540039
2009	83.9271621704102
2010	83.293830871582
2011	81.7067718505859
2012	84.0698928833008
2013	85.8978118896484
2014	87.3996429443359
2015	88.1404037475586
2016	87.9885025024414
2017	87.5884704589844
2018	86.8153915405273
2019	86.1021575927734
2020	87.1488876342773
2021	87.840690612793
2022	98.3493423461914