Year	% of relevant age group
1971	74.4674
1972	78.48561
1973	85.91179
1974	76.28322
1975	76.00978
1976	78.28586
1977	80.10557
1978	83.26936
1979	84.13437
1980	95.77571
1981	89.92523
1982	91.89615
1983	88.75355
1984	98.69744
1985	96.49297
1986	99.10048
1988	92.80061
1989	98.8585
1990	99.37905
1991	102.33685
1992	103.50451
1993	101.39243
1994	100.82448
1995	99.77639
1996	100.47686
1997	97.45998
1998	102.91577
1999	104.10542
2000	109.87014
2001	112.9799
2002	115.71415
2003	116.58717
2004	114.28884
2005	115.09289
2006	113.09375
2007	109.94987
2008	110.26379
2009	109.69469
2010	113.23698
2011	119.21045
2012	121.59542
2013	82.38071