Year % of population 2000 60.99947862651157 2001 61.433487431582215 2002 61.9822503536208 2003 62.61596854305834 2004 63.33783976935507 2005 64.06765390251996 2006 64.74443868376052 2007 65.39086541299712 2008 65.99955487113839 2009 66.5562629960939 2010 67.01013264676101 2011 67.37154640206155 2012 67.66202461445884 2013 68.0175266681246 2014 68.47872810618087 2015 68.8250020963069 2016 69.23346015326248 2017 69.59509351434004 2018 69.9162249657002 2019 70.1902176402974 2020 70.30691784196877 2021 70.43202293331512 2022 70.64551294462208