Year	% of relevant age group
1971	82.5349807739258
1972	74.2727432250977
1973	83.2564468383789
1974	87.776237487793
1975	72.4084014892578
1976	88.239387512207
1977	73.1638412475586
1978	74.6448516845703
1979	73.0875091552734
1980	56.3506889343262
1981	61.0548400878906
1982	68.6991119384766
1983	78.1613464355469
1984	76.6784515380859
1985	80.5355529785156
1986	88.6250686645508
1987	87.0933074951172
1988	80.436653137207
1989	84.7686462402344
1990	82.134391784668
1991	77.5157012939453
1992	75.8339614868164
1993	101.134140014648
1994	102.005897521973
1995	98.668701171875
1996	100.439208984375
1997	98.4171295166016
1999	85.4391174316406
2000	101.12251
2001	99.94186
2002	98.31575
2003	98.97751
2004	100.86846
2005	101.76911
2006	104.77416
2007	106.05478
2008	103.2748
2009	106.22739
2010	100.8858
2011	100.9427
2012	101.0726
2013	100.2444
2014	98.33257
2015	96.00344