Year	% of relevant age group
1975	137.92705
1976	140.49311
1977	137.23482
1993	112.02819
1994	108.94465
1995	110.62962
1996	108.44222
1997	109.32771
1999	109.75608
2000	109.44794
2001	109.30113
2002	108.26123
2003	107.18762
2004	104.63101
2005	105.60936
2006	105.61634
2007	111.94934
2008	114.71695
2009	114.4723
2010	106.9994
2011	105.3537
2012	104.28022
2013	103.85966
2014	104.74319
2015	105.42236
2016	104.62076
2017	104.03789