Year % of population 2000 23.330335092096558 2001 24.418863050045783 2002 25.470947439342883 2003 26.33852107199509 2004 27.371036129003176 2005 28.17244361490168 2006 29.15602810759082 2007 30.23195116752862 2008 31.2697271143191 2009 32.41692078114402 2010 33.8153004086688 2011 35.24723543602056 2012 36.75223783777421 2013 38.68733258234612 2014 40.470761042889606 2015 42.63572196411605 2016 45.03114138100995 2017 47.3965514790835 2018 50.27197492884249 2019 52.794108201335064 2020 55.784053138182855 2021 58.28732930729011 2022 60.87207869511041