Year	% of relevant age group
1971	87.46736
1972	98.25602
1973	101.76125
1974	90.97583
1975	90.18476
1976	91.89041
1977	91.26922
1978	87.06294
1979	89.80271
1980	86.52357
1981	80.18811
1982	83.53429
1984	75.07604
1985	74.60621
1986	72.24417
1987	67.65952
1988	68.69277
1989	65.81215
1990	60.08847
1992	53.34037
1993	55.73245
1994	56.76105
1995	59.52599
1996	61.60714
1998	113.2122
1999	112.45699
2003	113.80611
2004	106.83647
2005	110.92527
2006	101.9691
2007	110.24926
2008	110.03855
2009	110.98609
2010	106.28228
2011	108.22728
2012	102.46853
2013	97.21444
2014	103.18627
2015	109.476
2016	106.79372
2017	106.9206
2018	105.45338