Year	% of relevant age group
1970	127.81038
1971	150.16118
1972	136.20822
1973	131.80862
1974	129.20132
1975	118.09896
1976	111.94271
1977	118.81218
1983	86.02758
1997	103.69188
1998	98.53085
1999	97.35801
2000	97.50879
2002	96.76558
2003	98.14579
2004	99.33188
2005	100.66026
2006	100.50119
2007	104.06078
2008	101.54893
2009	99.2546
2010	95.81222
2011	93.77345
2012	93.44816
2013	96.1034
2014	98.08264
2015	98.86295
2017	100.47831