Year	% of relevant age group
1971	106.62876
1973	103.99974
1974	103.06145
1975	101.0787
1976	100.88269
1977	101.32408
1978	96.92037
1979	100.19409
1980	100.23615
1981	97.38114
1982	98.61506
1984	94.2178
1985	94.04283
1986	99.21371
1987	101.79255
1988	101.84921
1989	103.12896
1990	101.42655
1991	97.68252
1992	98.24104
1993	97.42218
1994	96.97153
1998	101.92177
1999	99.41137
2000	98.94772
2001	97.94799
2002	97.92085
2003	99.83145
2004	98.76896
2005	97.42661
2006	99.5404
2007	100.10552
2008	98.2813
2009	97.84155
2010	100.29117
2011	101.40879
2012	100.95814
2013	102.25285
2014	99.63937
2015	100.6487
2016	101.54925
2017	100.52425