Year	% of relevant age group
1971	106.32113
1972	94.36338
1973	93.42305
1974	92.33697
1975	93.46729
1976	105.55333
1977	106.04382
1978	102.74932
1979	98.78424
1980	95.69456
1981	102.6199
1982	113.92878
1983	104.4839
1984	105.19977
1985	105.53757
1986	103.9573
1987	106.68312
1988	96.39095
1989	93.43725
1990	88.75984
1991	92.19391
1992	92.58535
1993	95.12846
1994	99.74166
1995	101.62654
1996	106.71133
1997	106.1474
1998	109.6284
1999	99.69581
2000	101.46543
2001	103.76898
2002	102.86179
2003	105.43706
2004	106.09983
2005	98.43828
2006	105.56848
2007	117.60073
2008	115.36475
2009	104.97756
2010	102.22712
2011	100.4236
2012	99.17428
2013	96.3174
2014	95.54327
2015	92.22758
2016	90.20696
2017	90.9911