Year % of relevant age group 1970 21.2029209136963 1971 23.8694591522217 1972 29.014949798584 1981 36.3933410644531 1982 34.408260345459 1985 29.9063396453857 1986 28.7945594787598 1987 27.5009002685547 1988 28.4606304168701 1989 27.5097694396973 1991 31.4410800933838 1992 34.0913391113281 1993 32.3606986999512 1994 34.2465782165527 1995 34.5884094238281 1996 34.5977897644043 1999 41.4576988220215 2000 44.8742408752441 2001 46.9188804626465 2002 49.8218688964844 2004 56.2307586669922 2005 61.9410400390625 2006 62.0527114868164 2007 61.0820388793945 2008 63.591911315918 2009 58.1621894836426 2010 57.4243698120117 2011 57.548999786377 2012 62.8983001708984 2013 58.6785011291504 2014 58.802131652832 2015 58.4618911743164 2016 57.2206115722656 2017 63.821590423584 2018 70.7832107543945 2019 72.3808517456055 2020 69.2441482543945 2021 71.9854278564453 2022 68.2075881958008