Year	% of relevant age group
1971	117.86646
1972	110.14633
1973	106.4484
1974	101.18964
1975	103.78177
1976	104.77003
1977	104.76502
1978	116.87912
1979	115.68652
1980	104.55016
1981	95.26138
1982	95.09093
1983	97.14308
1984	94.61065
1985	91.52032
1986	96.82802
1987	96.44297
1988	94.4718
1989	106.67565
1990	104.43506
1991	100.79835
1992	110.80742
1993	95.0926
1994	100.3967
1995	100.61384
1996	101.99914
1997	104.53209
1999	92.43857
2000	94.23989
2001	94.82532
2002	97.20523
2003	92.64545
2004	99.91424
2005	97.82657
2006	97.74953
2007	94.57728
2008	94.04618
2009	99.06881
2010	99.49389
2011	95.22566
2012	92.33035
2013	86.83195
2014	88.90238
2015	98.01284
2016	104.34431
2017	101.99579
2018	104.54278