Year % of population 2000 22.7135095802514 2001 23.7660889119429 2002 25.281950672123 2003 26.8306654926848 2004 28.4125475477891 2005 30.0268645534793 2006 31.6744358371789 2007 33.3535146665371 2008 35.2069187179296 2009 37.1024439275655 2010 39.0283491613439 2011 40.9829957259919 2012 42.9657407480855 2013 44.975925386408 2014 47.0128819373376 2015 49.0759428639125 2016 51.1644141801736 2017 53.2771826866148 2018 55.4139858964107 2019 57.5753680766886 2020 59.7601108598003 2021 61.4809315914592 2022 63.1953657541075