Year	% of relevant age group
1972	112.94211
1973	121.94761
1974	176.17378
1975	134.66726
1976	129.17479
1977	129.64553
1978	121.2049
1979	125.00737
1980	122.48244
1981	122.46306
1982	128.5207
1983	121.96188
1984	113.54899
1985	122.90442
1986	107.90924
1987	113.9723
1988	117.01635
1989	105.29769
1990	100.45082
1991	104.41569
1992	103.79822
1993	95.93469
1994	106.77097
1995	108.42404
1996	101.40835
1997	96.8342
1998	96.37394
1999	95.55696
2000	174.68945
2001	124.19213
2002	112.61832
2003	114.84516
2004	120.32108
2005	112.3577
2006	114.27472
2007	108.49514
2008	107.3682
2009	110.97132
2010	108.44454
2011	108.99542
2012	112.92871
2013	107.64778
2014	110.6545
2015	114.23192
2016	111.9474
2017	113.81404