Year	% of relevant age group
1971	66.41253
1972	57.84474
1973	64.04575
1974	63.43811
1975	55.52826
1977	78.77024
1978	78.226
1980	81.82941
1981	80.04198
1982	77.53924
1983	73.21452
1984	73.62995
1985	75.29056
1986	83.28163
1987	85.61354
1988	87.88168
1989	85.02236
1990	82.26391
1991	87.89382
1992	98.34286
1999	148.52101
2000	154.75869
2001	120.09367
2002	136.95922
2003	173.47335
2004	192.5223
2006	210.12655
2007	209.44385
2008	213.28883
2009	196.2171
2010	193.98738
2011	200.69665
2012	194.34793
2013	178.16165
2014	161.51634
2015	145.20917
2016	134.15751
2017	111.99953
2018	127.06357