Year	% of relevant age group
1970	135.8279
1971	141.6352
1972	142.5616
1973	142.5611
1974	141.9151
1975	141.2202
1976	136.6983
1977	137.7018
1978	138.4005
1979	151.0306
1980	143.1164
1981	141.6165
1982	140.7126
1983	134.0459
1984	137.8214
1985	133.1428
1986	125.4964
1987	128.6055
1988	134.4096
1989	125.7473
1990	135.9353
1991	122.2828
1992	121.5359
1993	125.0642
1994	124.7633
1995	120.8724
1996	119.0165
1997	119.2901
1998	119.3865
1999	115.6966
2000	117.009
2001	119.2398
2002	118.7976
2003	116.7403
2004	116.6418
2005	117.5975
2006	113.2073
2007	112.803
2008	110.3211
2009	107.7718
2010	103.0435
2011	100.9675
2012	97.82843
2013	99.43201
2014	99.70557
2015	100.5808
2016	100.7102
2017	100.4927
2018	100.3998