Year	% of relevant age group
1971	47.29521
1972	55.84941
1976	70.33236
1978	77.04602
1979	82.28756
1980	79.32216
1981	74.38771
1982	68.01157
1983	66.09188
1984	59.23152
1985	61.4872
1986	64.95399
1987	70.42259
1988	72.11379
1989	71.47811
1990	73.47172
1991	75.65674
1992	72.05683
1994	72.34016
1995	92.81126
1996	111.68429
1999	96.11551
2000	92.37701
2001	99.88312
2002	100.83475
2003	95.52883
2004	93.19128
2005	98.42791
2006	107.06721
2007	101.19872
2008	102.68726
2009	131.17962
2010	131.17466
2011	122.6292
2012	127.15154
2013	128.01048
2014	131.30621
2015	130.25681
2016	139.10026
2017	141.11082
2018	139.77626