Year	% of relevant age group
1971	138.78326
1999	138.39296
2000	137.306
2002	135.49862
2004	112.48429
2005	112.88634
2006	110.18141
2007	133.62944
2008	115.70037
2009	115.64341
2010	117.45966
2011	103.95872
2012	104.73557
2013	101.55242
2014	108.67248
2015	115.69217
2016	111.69574
2017	107.63433
2018	106.5707