Year	% of relevant age group
1981	133.9652
1983	128.77915
1984	130.17076
1985	130.5724
1986	130.00423
1987	125.14866
1988	132.5103
1989	133.26414
1992	127.92311
1993	125.18295
1995	130.60833
1997	137.27235
1998	136.46983
1999	131.78611
2001	128.84439
2002	130.30293
2003	131.63317
2004	128.42719
2005	127.80499
2006	121.97064
2007	126.1661
2008	130.79787
2009	133.85869
2014	120.7148
2015	114.99557
2016	105.25942
2017	95.52592