Year	% of relevant age group
1975	134.66456
1976	137.14629
1977	135.9015
1978	133.7131
1979	146.7825
1980	143.18997
1981	141.98284
1982	134.25311
1983	128.69519
1984	126.24199
1985	121.57563
1986	119.93793
1987	119.39047
1988	118.36994
1989	118.45952
1990	117.23247
1991	115.50686
1992	112.71404
1993	111.241
1994	108.07874
1995	109.89067
1996	107.80994
1997	108.816
1999	109.48958
2000	109.29295
2001	109.17285
2002	108.25716
2003	107.1684
2004	104.32153
2005	105.02803
2006	105.01005
2007	111.6418
2008	114.35324
2009	114.32104
2010	106.96526
2011	105.34747
2012	104.4087
2013	104.17258
2014	105.19614
2015	106.12234
2016	105.24902
2017	104.68476