Year % of population 2000 42.4693918960324 2001 43.1966284805716 2002 43.9038107185059 2003 44.5597293842303 2004 45.2002968519918 2005 45.8330807303383 2006 46.4579949763056 2007 47.0750855112376 2008 47.6844914171373 2009 48.2861530001483 2010 48.8801194327638 2011 49.4664383868845 2012 50.045209268482 2013 50.6152395557413 2014 51.1781180616787 2015 51.7344546063714 2016 52.2843037439176 2017 52.8276855598966 2018 53.364471821006 2019 53.878091861667 2020 54.3842697201129 2021 54.7389072484474 2022 55.1931316754758