Year % of population 2000 70.5394163450304 2001 69.2004175545176 2002 67.8270253564279 2003 66.449200403217 2004 65.0728392685065 2005 63.699180094183 2006 62.3277461001813 2007 60.9586846422871 2008 59.5921358201803 2009 58.2288594303182 2010 56.868382749651 2011 55.5111482789355 2012 54.156990037089 2013 52.8107653812295 2014 51.4716654659719 2015 50.1398156283527 2016 48.8150186036669 2017 47.497090227277 2018 46.1858433863197 2019 44.8810925996552 2020 43.582652159916 2021 42.2901893792718 2022 42.1880061695751