Year	% of relevant age group
1971	96.72935
1972	96.91979
1976	87.16559
1977	84.02585
1978	80.35353
1980	94.99647
1981	95.75368
1982	95.73014
1983	95.87596
1984	96.19384
1988	79.14605
1991	72.07674
1992	84.43791
1993	83.49804
1994	69.31555
1999	57.56528
2002	66.27282
2007	108.77553
2008	121.58826
2009	116.45513
2010	110.31847
2011	119.10896
2012	121.14041
2013	130.50355
2014	130.88296
2015	134.7067