Year	% of relevant age group
1970	114.5327
1971	115.9042
1972	119.1708
1973	125.385
1974	121.2515
1975	123.2862
1976	124.4998
1977	126.3271
1978	119.4652
1979	119.8486
1980	118.9929
1981	123.4231
1982	119.2142
1983	133.5802
1984	134.6803
1985	133.9519
1986	133.5765
1987	120.3893
1988	120.4905
1989	119.8547
1990	120.9961
1991	121.956
1992	122.7791
1993	123.8457
1994	123.1604
1995	123.9757
1996	124.7484
1997	125.4494
1998	126.6977
1999	125.6744
2000	128.3547
2001	126.3368
2002	123.7035
2003	124.332
2004	125.4162
2005	126.3045
2006	126.8061
2007	123.2325
2008	120.6639
2009	111.1138
2010	115.4532
2011	110.2479
2012	108.707
2013	107.0086
2014	104.2731
2015	105.1609
2016	106.6876
2017	103.7751
2018	106.4978