Year	% of relevant age group
1970	94.84627
1971	86.99418
1972	92.5769
1973	93.22625
1974	94.84968
1975	97.68182
1976	96.92695
1977	99.69844
1978	96.63789
1979	99.3983
1980	102.70987
1981	103.70598
1982	100.4834
1983	95.6758
1984	94.9405
1985	95.60858
1986	89.72422
1987	91.86337
1988	93.12329
1989	95.85535
1990	100.23075
1991	100.65022
1992	103.07766
1993	100.84083
1994	104.65165
1995	108.43929
1996	108.44799
1997	106.69504
1998	105.69622
1999	103.96459
2000	103.76055
2001	104.21375
2002	102.03815
2003	106.57656
2004	116.71117
2005	112.88919
2006	118.87926
2007	114.45818
2009	107.5714
2010	126.7909
2011	110.76923
2012	106.46126
2013	102.30073
2014	102.79199
2015	97.83201
2016	93.11102
2017	96.41055