Year	% of relevant age group
1971	46.64749
1972	48.68679
1973	51.68006
1974	55.82482
1975	97.86451
1976	109.80898
1981	83.97603
1982	80.89298
1983	85.77483
1984	81.90762
1985	78.77838
1986	75.4814
1987	75.94028
1988	77.52831
1989	81.91451
1991	77.52975
1992	80.15627
1993	77.24819
1994	75.84864
1997	76.19464
1998	70.32079
1999	73.39897
2000	87.96341
2001	109.17923
2002	154.39245
2004	113.98797
2005	109.60506
2006	105.32546
2007	108.10193
2009	100.17669
2010	96.08562
2012	83.92576
2013	90.69864
2014	99.87462
2016	122.53721
2017	115.97512
2018	109.14532