Year	% of relevant age group
1975	98.45165
1976	98.64748
1977	103.4975
1978	102.9862
1979	102.8557
1980	96.99694
1981	96.87837
1982	98.43862
1983	100.2134
1984	101.243
1985	100.8042
1986	99.80961
1987	100.6083
1988	98.7996
1989	97.39734
1990	96.84504
1991	94.84733
1992	92.9124
1993	93.4665
1994	94.9147
1995	96.27505
1996	95.83586
1997	95.95822
1998	97.95773
1999	99.73183
2000	98.47466
2001	100.8768
2002	98.58443
2003	96.14633
2004	94.03618
2005	93.23196
2006	95.14237
2007	90.62885
2008	93.90629
2009	89.11905
2010	94.35934
2011	93.1496
2012	96.58525
2013	93.33198
2014	94.58369
2015	94.07695
2016	94.17239
2017	90.03092
2018	89.95774