Year	% of relevant age group
1970	131.0423
1971	137.8863
1972	138.3115
1973	138.4303
1974	137.695
1975	136.2843
1976	132.1174
1977	133.5693
1978	134.2062
1979	145.9084
1980	138.3112
1981	136.6364
1982	135.7766
1983	129.5054
1984	133.1223
1985	128.7035
1986	121.906
1987	124.9488
1988	130.5102
1989	122.4462
1990	132.2037
1991	118.7056
1992	118.9531
1993	121.4897
1994	120.9021
1995	117.3794
1996	115.7122
1997	115.9538
1998	116.1236
1999	113.6931
2000	114.2166
2001	116.0767
2002	116.6828
2003	114.1062
2004	115.0543
2005	112.4998
2006	111.8594
2007	112.2183
2008	108.8748
2009	106.7211
2010	102.036
2011	99.88837
2012	96.96876
2013	98.17516
2014	98.62832
2015	100.7657
2016	100.6711
2017	100.3067
2018	100.0131