Year	% of relevant age group
1970	107.8776
1971	108.9621
1972	110.2029
1973	111.5345
1974	112.3519
1975	113.5064
1976	113.789
1977	114.6011
1978	113.4397
1979	115.7079
1980	114.635
1981	114.9109
1982	113.9061
1983	116.0951
1984	117.2728
1985	116.9012
1986	115.547
1987	112.7929
1988	112.2023
1989	110.0345
1990	111.4372
1991	108.0892
1992	107.5207
1993	107.7429
1994	107.4059
1995	106.9941
1996	106.1732
1997	105.8221
1998	106.6092
1999	107.034
2000	108.2044
2001	109.3105
2002	110.4854
2003	113.2454
2004	111.5192
2005	111.7772
2006	110.5343
2007	110.747
2008	109.7986
2009	105.9512
2010	106.8692
2011	105.361
2012	104.5671
2013	103.6038
2014	102.0845
2015	101.8524
2016	102.8925
2017	101.7234
2018	102.1944