Year % of population 2000 61.7404116172502 2001 62.0016480421804 2002 62.2761523914598 2003 62.5732994284283 2004 62.8659664905111 2005 63.1536621577974 2006 63.436586737944 2007 63.7149109429296 2008 63.988382437498 2009 64.2565643451351 2010 64.5198486890521 2011 64.7781966695834 2012 65.0315792739664 2013 65.2795997940444 2014 65.5234749625524 2015 65.7627587295769 2016 65.9973620315647 2017 66.2271993300877 2018 66.4521978786729 2019 66.672267150753 2020 66.8873289474628 2021 67.1259091455631 2022 67.360269806167