Year % of population 2000 13.3858095689807 2001 13.7504771394736 2002 14.4912585801225 2003 16.5364386131506 2004 18.7051196156204 2005 20.9939612070134 2006 23.3882035150291 2007 25.8891268633777 2008 28.5018140150073 2009 31.2214592412194 2010 34.0472448660203 2011 36.9507361108525 2012 39.938985413215 2013 43.0189727911805 2014 46.1899310936473 2015 49.4481203184288 2016 52.7910624216511 2017 56.2128873830603 2018 59.700945981579 2019 63.2498394976181 2020 64.6096780871316 2021 65.9328271010443 2022 67.220232502194