Year	% of relevant age group
1970	62.419620513916
1971	62.242488861084
1972	61.7590713500977
1973	62.6978492736816
1974	63.0755004882812
1975	64.0900802612305
1976	64.3540878295898
1977	66.4811630249023
1978	70.3752517700195
1979	71.7541885375977
1980	73.8249969482422
1981	75.0650863647461
1982	75.2962493896484
1983	73.6010894775391
1984	74.1676635742188
1985	76.5554504394531
1986	76.6982269287109
1987	78.5156784057617
1988	79.7940979003906
1989	80.7843475341797
1990	81.7370529174805
1991	83.6288223266602
1992	81.0847702026367
1993	79.423713684082
1994	79.1926116943359
1995	78.8764266967773
1996	78.0855407714844
1997	77.989860534668
1998	78.0174026489258
1999	78.0458602905273
2000	79.271240234375
2001	76.9370269775391
2002	77.9487380981445
2003	80.4855194091797
2004	82.7807464599609
2005	81.6021728515625
2006	82.8470001220703
2007	84.3700714111328
2008	84.6335830688477
2009	86.8963394165039
2010	86.0729064941406
2011	86.3212966918945
2012	85.4530181884766
2013	84.2091369628906
2014	82.8557586669922
2015	86.3527603149414
2016	84.7065582275391
2017	83.0882263183594
2018	80.362190246582
2019	80.3762435913086
2020	79.6413421630859
2021	80.3100509643555