Year % of population 2000 57.7485547835283 2001 59.4884133959154 2002 60.1104341282052 2003 60.7289597172447 2004 61.3437670511597 2005 61.9546773370466 2006 62.5618941223254 2007 63.1655786670373 2008 63.7653914133059 2009 64.3615104071033 2010 64.9561147342884 2011 65.5486272082272 2012 66.1386443105831 2013 66.7258478584109 2014 67.3096981175523 2015 67.8897827342271 2016 68.4656824045065 2017 69.0369846849635 2018 69.6032658882812 2019 70.1640650702162 2020 70.6733099660733 2021 71.1463482447038 2022 71.6117027151749