Year	% of relevant age group
1971	104.69223
1972	99.4474
1973	98.76575
1974	96.33192
1975	95.81589
1976	97.91344
1977	94.70378
1978	96.26214
1979	94.62052
1980	95.18599
1981	97.4528
1982	96.23003
1983	93.78702
1984	93.41652
1985	94.05171
1986	92.26798
1987	91.79709
1988	92.94358
1989	94.04223
1990	95.55115
1991	94.82645
1992	95.68687
1994	96.11102
1995	96.6724
1996	97.2649
1997	100.05291
1999	101.94683
2000	102.97406
2001	97.48004
2002	94.89849
2003	98.44581
2004	103.70675
2005	100.68488
2006	102.283
2007	103.76912
2008	101.09646
2009	100.7349
2010	100.87539
2011	101.33304
2012	99.23266
2013	100.39777
2014	98.6051
2015	97.98937
2016	97.59953
2017	96.3092