Year	% of relevant age group
1973	91.13315
1974	91.70239
1975	94.20377
1976	96.22811
1977	90.67036
1978	101.36891
1979	91.09209
1980	87.3529
1981	90.80867
1982	90.44992
1983	92.9024
1984	87.1386
1985	88.64595
1986	87.08808
1987	90.46376
1988	87.63404
1990	80.0703
1991	79.37175
1999	73.21905
2000	75.59714
2001	116.23677
2002	100.39259
2003	92.62573
2004	94.97974
2005	97.36381
2006	99.48749
2007	102.84911
2008	109.20733
2009	115.2698
2010	120.01887
2011	120.12583
2012	123.49736
2014	126.42956
2015	130.40899
2016	129.5682
2017	125.93223
2018	116.76714