Year	% of relevant age group
1971	35.8254508972168
1972	37.4838905334473
1985	79.6117401123047
1988	79.0665893554688
1993	71.180793762207
1996	65.8754119873047
1997	66.0414886474609
1999	70.1826477050781
2001	71.5428924560547
2003	89.1826171875
2004	82.0634689331055
2005	76.4325790405273
2007	86.9183883666992
2008	86.9038009643555
2009	89.8008422851562
2010	77.5711898803711