Year	% of relevant age group
1987	49.1030807495117
1988	49.5038986206055
1989	49.7910804748535
1990	49.8817100524902
1991	50.3815498352051
1992	51.4677886962891
1993	52.1195907592773
1994	52.0560111999512
1995	52.6286315917969
1996	53.3007202148438
1997	54.5104789733887
1998	55.6777114868164
1999	57.1333198547363
2000	58.7281494140625
2001	60.5958595275879
2002	62.8063087463379
2003	64.9137725830078
2004	66.3280563354492
2005	67.8539962768555
2006	68.0255889892578
2007	69.3885879516602
2008	70.1500015258789
2009	71.1686935424805
2010	72.3394775390625
2011	73.5800323486328
2012	74.4037170410156
2013	74.4391403198242
2014	74.4395980834961
2015	74.5440063476562
2016	75.2638168334961
2017	74.8713302612305
2018	74.9200210571289
2019	75.4672470092773
2020	76.7203903198242
2021	77.1457366943359
2022	77.0371322631836