Year % of total secondary 2010 10.5166997909546 2011 11.9309797286987 2012 11.2112598419189 2013 11.3918800354004 2014 11.7424201965332 2015 11.7364501953125 2016 11.780179977417 2017 11.9876203536987 2018 12.0962200164795 2019 12.0941495895386 2020 12.2260704040527 2021 12.4041404724121