Year	% of relevant age group
1970	107.3012
1971	107.3048
1972	102.4882
1973	100.7889
1974	101.0291
1975	100.7558
1976	101.681
1977	100.6708
1978	101.5251
1979	100.9921
1980	100.1206
1981	99.84731
1982	98.9333
1983	98.45733
1984	98.74099
1985	99.84639
1986	100.1333
1987	101.1228
1988	100.8078
1989	100.3045
1990	98.54306
1991	98.49882
1992	98.63426
1993	98.92343
1994	99.63813
1995	101.546
1996	101.4135
1997	101.7187
1998	101.3025
1999	100.6865
2000	100.2165
2001	98.80791
2002	97.70643
2003	99.33864
2004	101.8076
2005	100.4396
2006	101.2509
2007	101.5919
2008	99.76291
2009	99.63192
2010	99.93305
2011	99.82275
2012	99.53147
2013	98.89151
2014	98.12015
2015	98.99631
2016	98.13243
2017	98.05374
2018	98.11037