Year	% of relevant age group
1972	108.34181
1973	109.30465
1974	104.08063
1975	101.68027
1976	101.28617
1977	105.6165
1978	100.83963
1979	32.51212
1980	95.21193
1981	96.78899
1982	91.15672
1983	95.91241
1984	99.14194
1986	104.37522
1997	103.11765
1998	108.85084
1999	107.2317
2000	106.18978
2001	102.23967
2002	103.11047
2003	104.1048
2004	102.77291
2005	104.07386
2006	110.58824
2007	105.78635
2008	107.20288
2009	100.63733
2010	104.43561
2011	106.43657
2012	106.00763
2013	107.28455
2014	103.54187
2015	103.66178
2016	104.73996
2017	101.02139
2018	101.04487