Year	% of relevant age group
1971	89.27536
1972	97.10438
1973	97.24828
1974	88.76536
1975	87
1976	90.79722
1977	93.33672
1978	86.76181
1979	91.77694
1980	89.86842
1981	80.10105
1982	84.604
1984	74.59969
1985	76.88095
1986	70.49224
1987	65.87147
1988	67.5145
1989	64.2472
1990	57.69759
1992	51.15672
1993	52.26717
1994	54.98368
1995	55.90026
1996	56.86585
1998	122.22443
1999	112.35363
2003	117.36315
2004	111.88485
2005	114.83674
2006	99.36981
2007	111.13554
2008	111.74892
2009	109.73017
2010	106.0443
2011	108.75998
2012	100.42021
2013	94.68394
2014	102.64883
2015	108.06641
2016	105.1995
2017	105.49401
2018	103.16206