Year % of population 2000 43.8223908973974 2001 43.9293953386003 2002 44.0362520208406 2003 44.1421236056245 2004 44.4373692663945 2005 44.7858518216463 2006 45.6623604628256 2007 47.1356473043548 2008 48.6157270050589 2009 50.1054592460498 2010 51.6048522472532 2011 53.1131861501938 2012 54.6300962996596 2013 56.155217813755 2014 57.6881768468245 2015 59.2283038338064 2016 60.7752475710108 2017 62.3289172670279 2018 63.8884122698803 2019 65.4538751470936 2020 67.0242229871438 2021 68.5995746860984 2022 70.1087247016516