Year	% of relevant age group
1971	72.08103
1972	63.85969
1973	69.17261
1974	68.88893
1975	59.00334
1977	83.03165
1980	84.33625
1981	82.53576
1982	82.21176
1983	75.79854
1984	75.90283
1985	77.4612
1986	84.521
1987	85.6531
1988	88.47928
1989	86.02646
1990	83.28262
1991	88.50405
1992	99.27347
1999	152.32846
2000	157.53322
2001	119.98088
2002	138.60215
2003	175.76273
2004	193.43985
2006	209.82503
2007	209.49715
2008	214.70306
2009	197.45665
2010	195.96527
2011	201.28761
2012	197.01323
2013	181.05488
2014	165.69497
2015	149.46658
2016	138.01436
2017	114.76225
2018	130.50364