Year	% of relevant age group
1970	107.33805
1971	134.5386
1972	120.87115
1973	116.38183
1974	112.46664
1975	109.17309
1976	109.95623
1977	109.3053
1978	112.23149
1979	102.3568
1980	104.42933
1981	101.42028
1982	101.18881
1983	100.18448
1984	101.7407
1985	99.00911
1986	101.43354
1987	101.61451
1988	105.34834
1989	106.76119
1999	107.78971
2000	107.91806
2001	114.39503
2002	117.43401
2004	115.20385
2005	106.20098
2006	111.53205
2007	110.82082
2008	104.60676
2009	101.64109
2010	99.72112
2011	97.09386
2012	95.0176
2013	97.00525
2014	97.06159
2015	99.91097
2017	91.51725