Year	% of relevant age group
1970	92.6005477905273
1971	92.4868621826172
1972	91.3477325439453
1973	86.5851211547852
1974	89.9169616699219
1975	91.571418762207
1976	94.2442779541016
1977	92.0806732177734
1978	91.9199905395508
1979	96.1799697875977
1980	97.8069915771484
1981	99.9830017089844
1982	94.7749862670898
1983	94.7124404907227
1984	95.6041870117188
1985	96.1653823852539
1986	96.0584106445313
1987	89.9981307983398
1988	90.617919921875
1989	91.4288330078125
1990	90.652587890625
1991	89.7215881347656
1992	90.3680267333984
1993	91.7367324829102
1994	90.7129898071289
1995	92.1777496337891
1996	93.6804580688477
1997	94.3304824829102
1998	95.617073059082
1999	88.9500732421875
2000	100.698593139648
2001	105.568962097168
2002	108.568359375
2003	110.65030670166
2004	108.429092407227
2005	106.688888549805
2006	109.982421875
2007	110.814956665039
2008	114.922119140625
2009	114.263137817383
2010	114.1671
2011	117.1831
2012	118.0183
2013	117.8979
2014	118.1957
2015	119.0332
2016	119.1925
2017	119.001
2018	119.3708