Year	% of relevant age group
1970	86.53241
1971	88.4752
1972	87.73352
1975	90.45547
1976	87.36067
1977	92.27203
1978	93.986
1979	96.92851
1980	98.06448
1981	105.29224
1982	93.2062
1983	101.04153
1984	101.22161
1985	99.01144
1986	112.02805
1996	110.7704
1998	122.73777
1999	127.1074
2000	123.25619
2001	120.61379
2002	120.29292
2004	122.98543
2005	120.56856
2006	122.23099
2007	122.52692
2008	121.72667
2009	133.19041
2010	113.53023
2011	110.49704
2012	97.8801
2013	99.51659
2014	100.82475
2015	103.84396
2016	118.44008
2017	104.60376
2018	105.26949