Year	% of relevant age group
1970	119.31342
1971	121.19912
1974	119.35601
1975	115.79434
1976	117.20216
1991	92.42234
1994	112.33367
1996	112.76941
1997	111.68954
1998	111.39339
1999	106.87103
2000	106.61295
2001	108.5604
2002	109.48463
2003	108.07632
2004	107.52777
2005	106.66205
2006	107.82853
2007	106.12361
2008	104.66588
2009	106.10463
2010	105.48901
2011	106.1216
2012	103.25164
2013	101.72732
2014	102.41138
2015	105.5189
2016	106.43014
2017	106.2035