Year	% of relevant age group
1971	89.92564
1972	88.74107
1973	99.53609
1974	90.71928
1976	81.55919
1977	98.90576
1978	93.20297
1979	99.46232
1980	86.5792
1982	95.48459
1987	90.33473
1992	80.61064
1993	86.62435
1995	100.72264
1996	89.52699
1997	93.29121
1999	101.64685
2000	97.27877
2001	121.47485
2003	108.38995
2005	90.07115
2006	89.38591
2007	89.57811
2008	94.31391
2009	85.71429
2010	94.66683
2011	94.71123
2012	91.32666