Year % of population 2000 9.339937520581076 2001 9.67251942611902 2002 10.017428981256536 2003 10.37454632674994 2004 10.839915460870559 2005 11.254051271926903 2006 11.770639337147616 2007 12.36911351834325 2008 12.876568310348075 2009 13.449319524612353 2010 14.047047840678044 2011 14.650578791065179 2012 15.232608643619505 2013 15.73506512045227 2014 16.28437963298838 2015 16.940351544470413 2016 17.679542096468683 2017 18.44496069344694 2018 19.246006642809938 2019 20.135354139035964 2020 21.058214194493303 2021 21.98084224998492 2022 22.95839393860551