Year	% of relevant age group
1971	93.51003
1972	103.43968
1976	112.7596
1978	111.63041
1979	118.79568
1980	110.80853
1981	103.21488
1982	93.31766
1983	93.32581
1984	85.04722
1985	90.64724
1986	96.39733
1987	106.15483
1988	99.55177
1989	99.68476
1990	100.71656
1991	100.7323
1992	93.1466
1994	94.38004
1995	117.64034
1996	139.07586
1999	109.28698
2000	105.11222
2001	115.7678
2002	114.16978
2003	106.31225
2004	102.29867
2005	105.75537
2006	113.24457
2007	107.92583
2008	105.99745
2009	136.66857
2010	136.96117
2011	129.31564
2012	132.84909
2013	134.06075
2014	138.83235
2015	138.47147
2016	146.68173
2017	146.97223
2018	143.5291