Year	% of relevant age group
1970	137.11976
1971	145.32405
1972	146.59733
1973	152.25771
1974	153.03909
1982	133.87295
1983	132.11678
1984	127.21499
1985	118.9899
1986	110.25538
1987	125.2596
1988	125.77322
1989	126.42745
1990	139.04808
1991	125.8965
1992	140.32675
1993	144.76355
1994	131.26809
1995	139.4635
1996	145.24492
1998	141.19939
1999	140.00101
2000	141.00662
2001	133.77357
2002	135.8819
2004	131.01257
2005	129.60824
2006	130.03963
2007	127.1059
2008	129.27748
2009	120.23654
2010	113.77342
2011	115.31572
2012	116.68283
2013	118.79628
2014	116.11789
2015	112.43067
2016	111.25395
2017	109.03021
2018	111.00966