Year	% of relevant age group
1980	45.1295204162598
1982	49.392261505127
1984	52.9226303100586
1991	60.440299987793
1992	63.1812705993652
1993	65.0399169921875
1994	66.7131729125977
1995	66.2138900756836
1996	67.1646194458008
1997	67.8125381469727
1998	68.6663208007812
2003	76.5480880737305
2005	76.1147766113281
2006	81.5691986083984
2008	80.7426376342773
2009	82.6039886474609
2010	85.4489593505859
2011	86.1358795166016
2012	84.8156509399414