Year	% of relevant age group
1971	101.48282
1972	102.62253
1973	110.64005
1974	113.19314
1981	97.85994
1982	99.46232
1983	103.45781
1984	97.46278
1985	96.8874
1986	99.38524
1987	99.15432
1988	101.0174
1989	96.77478
1990	98.3192
1991	98.95581
1992	99.67806
1993	102.30837
1994	102.99795
1998	102.66018
1999	101.01225
2000	102.04764
2001	99.90225
2002	101.58601
2004	98.81207
2005	97.07783
2006	98.27638
2007	99.33831
2008	101.72451
2009	100.37644
2010	98.73693
2011	100.45176
2012	101.62167
2013	100.73539
2014	98.31504
2015	96.97569
2016	96.87036
2017	98.85739