Year % of population 2000 96.80536789955765 2001 96.87171242893355 2002 96.94776041502958 2003 97.02335840822508 2004 97.13857020807437 2005 97.30994051860431 2006 97.47820197410482 2007 97.61731966744983 2008 97.86776791724931 2009 97.95606823659094 2010 98.0534470728565 2011 98.12366846556019 2012 98.15357451322765 2013 98.16966763653105 2014 98.18332035531363 2015 98.20156987925346 2016 98.21271957145788 2017 98.21224648339492 2018 98.21215949767593 2019 98.21773260076162 2020 98.21512372063853 2021 98.20945535938878 2022 98.23464220237612