Year	% of relevant age group
1987	51.573600769043
1988	54.8362693786621
1989	53.8865089416504
1990	52.9465599060059
1991	49.8955116271973
1992	50.8755416870117
1994	56.368091583252
1995	54.9135093688965
1996	55.5810585021973
1997	51.7433586120605
1998	52.7614707946777
2000	54.5379104614258
2001	54.8849906921387
2002	56.1414108276367
2003	56.7553901672363
2014	74.7129669189453
2016	77.2627868652344