Year	% of relevant age group
1974	98.4709
1980	95.65108
1981	96.95753
1982	96.74352
1983	98.47145
1984	96.35288
1985	95.02842
1987	97.37879
1988	98.80222
1989	98.10828
1990	95.54554
1991	99.23157
1992	101.06701
1993	99.78511
1998	96.19517
1999	98.67125
2000	101.73118
2001	100.58737
2002	98.90252
2003	97.70855
2004	99.48285
2005	95.99343
2006	95.9136
2007	99.61744
2008	94.3531
2009	96.01199
2010	96.37974
2011	98.6216
2012	100.76208
2013	105.17577
2014	105.96026
2015	104.42943
2016	107.90142
2017	104.35813