Year % of population 2000 61.5635953619545 2001 58.8635042881004 2002 56.172731169262 2003 53.4945481980417 2004 50.8287786558138 2005 48.2696760692875 2006 45.90252336222 2007 43.5474654227449 2008 41.203502253292 2009 38.8725729324232 2010 36.5541064337588 2011 34.2483742466084 2012 31.9552915772308 2013 29.6765609361499 2014 27.4113327823208 2015 25.1602010005818 2016 22.9230958354235 2017 20.7011751480148 2018 18.4945920127763 2019 16.6569170431846 2020 16.4899714208446 2021 16.3219912460763 2022 16.1529765912269