Year % of population 2000 66.93176084258207 2001 67.59439688101043 2002 68.24214302486376 2003 68.90544042147688 2004 69.58071139020733 2005 70.04365883009312 2006 70.70419327022016 2007 71.38157870777492 2008 72.06855692149968 2009 72.76437028753263 2010 73.47990353792454 2011 74.18884465127873 2012 74.87122482577038 2013 75.54876989606082 2014 76.23064240780121 2015 76.91816235071967 2016 77.60937597691323 2017 78.31370479444584 2018 79.02388268578316 2019 79.74570018518496 2020 80.47575829565588 2021 81.21601434510913 2022 82.06374905097825