Year	% of relevant age group
1970	68.46865
1971	54.38527
1972	68.7369
1979	101.14294
1981	104.22593
1982	101.35624
1983	105.14078
1984	112.23987
1985	113.64149
1986	110.80631
1987	114.69367
1988	121.68913
1989	120.08945
1990	118.17718
1991	121.43534
1992	119.94572
1993	113.5082
1994	114.82244
1995	119.42593
1996	118.85745
1998	116.31297
1999	117.46684
2000	116.76336
2001	120.0988
2002	115.5914
2003	113.50033
2004	107.40459
2005	113.83487
2006	112.55144
2007	107.92901
2008	100.54209
2012	104.30058
2013	101.86754
2014	93.8753