Year	% of relevant age group
1972	92.7255172729492
1973	97.9466400146484
1974	96.1571731567383
1975	93.3835296630859
1976	99.7396697998047
1977	101.382186889648
1978	97.6282119750977
1979	97.4550094604492
1980	96.1355667114258
1981	93.5815811157227
1982	92.5970993041992
1983	92.5534286499023
1984	96.7098388671875
1985	92.0969161987305
1986	96.4284973144531
1987	98.9994583129883
1988	98.3360824584961
1989	93.4563903808594
1990	95.5331420898438
1991	99.4191970825195
1992	101.266006469727
1993	94.759521484375
1994	95.2105331420898
1995	92.2429580688477
1996	98.155632019043
1997	96.5689468383789
1999	99.3460311889648
2000	98.1214
2001	85.47417
2002	100.47923
2003	97.60741
2004	99.50586
2005	99.63474
2006	98.14474
2007	102.47335
2008	107.25741
2009	107.3908
2010	116.0921
2011	113.2002
2012	115.4744
2013	114.6813
2014	112.6318
2015	108.9878
2016	106.4333
2017	102.6364
2018	102.2371