Year % of relevant age group 1998 48.6585502624512 1999 51.3809204101562 2000 53.9975090026855 2001 58.7023811340332 2002 60.0205383300781 2003 59.5551910400391 2004 55.1960906982422 2005 53.8870582580566 2006 54.0382690429688 2007 55.0962905883789 2009 57.0029296875 2010 55.4570007324219 2011 58.3470001220703 2013 66.5989990234375 2016 73.9000015258789 2017 74.260986328125 2018 80.7084197998047 2021 81.4779968261719 2022 82.943000793457