Year % of population 2010 26.11001299735079 2011 26.95431063501148 2012 27.76211944568202 2013 28.58207371577327 2014 28.09840772386366 2015 28.496773175475635 2016 29.643950737300276 2017 30.316686457529304 2018 30.38052149493883 2019 31.00709513670742 2020 31.61938864076233 2021 32.402247434074795 2022 32.27604400591682