Year	% of relevant age group
1970	104.24553
1971	134.5271
1972	118.52617
1973	114.00834
1974	111.10706
1975	107.39532
1976	108.91727
1977	108.35569
1978	110.90067
1979	100.76746
1980	102.61962
1981	99.27833
1982	99.63986
1983	97.93197
1984	99.43226
1985	98.49228
1986	100.5944
1987	100.55278
1988	105.10036
1989	106.15486
1999	106.85692
2000	107.23803
2001	112.62625
2002	115.45499
2004	113.35684
2005	105.07343
2006	110.31583
2007	109.85447
2008	103.142
2009	100.3571
2010	98.80584
2011	97.08677
2012	94.74717
2013	96.16002
2014	96.4815
2015	98.5736
2017	91.38835