Year % of population 2000 48.270535706958434 2001 48.40672841538867 2002 48.806462893009225 2003 49.21385507359207 2004 50.032275430868516 2005 50.875272666528254 2006 51.64119324142795 2007 52.42678346244739 2008 53.23035098554302 2009 54.62223176736848 2010 56.11032711577474 2011 57.61853145896383 2012 59.11593711893702 2013 60.645798876207586 2014 62.15399981551974 2015 63.62011870782277 2016 65.03696667011924 2017 66.5089755266524 2018 68.00364943370462 2019 69.18323719857267 2020 70.19045881212055 2021 71.08254448846489 2022 72.03722064367355