Year	% of relevant age group
1974	71.61921
1976	79.09792
1977	79.94764
1978	76.38992
1979	72.94104
1980	73.25943
1985	97.93904
1986	97.90891
1987	95.4017
1988	98.67605
1989	101.38589
1990	100.85344
1991	100.81151
1992	100.45104
1993	101.57058
1994	98.9283
1995	100.79798
1996	99.866
1997	54.64932
1998	104.48094
1999	106.9154
2000	102.08113
2001	104.63812
2002	110.00223
2003	110.29462
2004	105.55791
2005	103.2464
2006	105.00794
2007	103.81869
2008	102.77384
2009	106.42326
2010	100.10342
2011	100.75008
2012	97.00744
2013	100.78044
2014	99.37571
2015	99.86354
2016	100.55556