Year % of population 2006 1.44609553785342 2010 1.7359917912886 2011 1.79898185694515 2012 1.27804236882459 2013 0.35040889796859 2014 0.607156290988225 2016 0.398695039121179 2017 0.945796724845422 2018 1.40363855942955 2019 1.68372240968794 2020 1.6063323160671 2021 0.887930687265543