Year	% of relevant age group
1972	54.1786117553711
1973	59.5818710327148
1974	70.0364532470703
1975	80.2969131469727
1976	85.0355911254883
1977	86.9910507202148
1978	92.3316879272461
1979	92.7168121337891
1980	95.6530303955078
1981	96.2207565307617
1982	97.2139511108398
1983	94.8625183105469
1984	99.1366271972656
1985	100.297019958496
1987	87.6551208496094
1988	87.313720703125
1989	86.9869689941406
1990	89.8780517578125
1991	93.9301223754883
1992	95.8501434326172
1993	97.8165130615234
1994	101.832801818848
1996	98.1959533691406
1999	92.9776306152344
2000	94.4414520263672
2002	89.5303421020508
2003	90.2949523925781
2004	88.5321502685547
2005	90.1906204223633
2006	87.4362030029297
2007	82.7436218261719
2008	83.2542724609375
2011	80.513786315918
2013	87.8273773193359
2014	83.9619369506836