Year	% of relevant age group
1971	61.08706
1972	66.15814
1973	78.45543
1974	63.96298
1975	88.97987
1976	74.3798
1977	86.94371
1978	81.99694
1979	114.57828
1980	85.26905
1981	103.71876
1982	101.55876
1983	90.61616
1984	90.02876
1985	90.29443
1986	87.40905
1987	96.08766
1988	92.99384
1989	90.6459
1990	94.07279
1991	106.40561
1992	95.63075
1993	99.8499
1994	85.29504
1995	91.54692
1996	91.2949
1997	90.92261
1998	101.18073
2000	112.35088
2001	115.08644
2002	116.22368
2003	113.73999
2004	116.98027
2005	114.01886
2006	128.06654
2008	165.94578
2010	151.04047
2011	152.7596
2012	161.64856
2013	160.03881
2014	162.09712
2015	165.86245
2016	161.80362
2017	153.42447
2018	150.23122