Year	% of relevant age group
1971	99.97401
1972	101.0689
1973	101.62346
1975	122.15317
1988	97.51471
1989	99.56704
1990	90.25012
1991	97.13007
1992	84.37958
1993	89.90804
1994	93.17735
1995	95.80014
1996	96.23247
1998	107.45464
1999	107.69207
2000	109.28118
2001	109.22666
2002	114.92152
2003	146.99959
2004	164.10582
2005	175.78028
2006	172.98439
2007	164.5628
2008	171.77599
2009	181.96066
2010	177.64614
2011	177.08937
2012	175.53089
2013	176.43668
2014	183.25005
2015	179.00194
2016	174.38404
2018	157.18468