Year % of population 2008 57.8763073709777 2010 64.6891778778632 2011 37.4734223102482 2012 67.9883453397581 2014 71.3297808909971 2015 69.2620458984933 2016 68.4323869351587 2017 68.543057871561 2018 19.9788220925624 2019 20.7414431458386 2020 35.180797160643