Year % of relevant age group 1980 8.99433040618896 2000 35.7394409179688 2002 50.2173500061035 2010 63.7789993286133 2011 65.3023529052734 2012 64.0808868408203 2013 63.5579986572266 2017 68.1720123291016 2018 68.8732986450195 2019 68.090087890625