Year % of population 2000 30.404971815733628 2001 29.605250584485226 2002 28.768783238318324 2003 27.90156293284454 2004 27.043073996652875 2005 26.139742683801416 2006 25.234862443964847 2007 24.35021999540204 2008 23.45404585759197 2009 22.565647215584416 2010 21.669288361738822 2011 21.13647360191836 2012 20.276100209531524 2013 19.43562815985324 2014 18.592528239620364 2015 17.74513423252803 2016 16.894161179937218 2017 16.114951192730395 2018 15.261690814173503 2019 14.460609009045767 2020 13.721447630977714 2021 12.95265021564509 2022 12.534621901583666