Year % of population 2000 17.844704315719547 2001 20.249132046444263 2002 22.803514616556942 2003 25.366446808189696 2004 27.943898207838267 2005 30.54154104028005 2006 33.15062803524108 2007 35.77732471563759 2008 38.4178349657455 2009 41.06898751802194 2010 43.73160309746412 2011 46.402785123223765 2012 49.08272030458925 2013 51.77292739055807 2014 54.47361092221309 2015 57.18605951707362 2016 59.9097459547137 2017 62.57352548180144 2018 65.18334235615671 2019 67.7875801033199 2020 70.38118098782587 2021 72.96785342756475 2022 75.46963589078504