Year	% of relevant age group
1971	113.73004
1972	110.63263
1976	102.04522
1977	99.01066
1978	97.51326
1980	109.65573
1981	110.40743
1982	110.23507
1983	110.26381
1984	110.49541
1988	86.68633
1991	79.41654
1992	91.42431
1993	91.85679
1994	78.45406
1999	55.4435
2002	72.16176
2007	116.67133
2008	128.53149
2009	122.70564
2010	116.08718
2011	124.94144
2012	126.62377
2013	135.23517
2014	135.86669
2015	139.92165