Year % of population 2000 90.64184321473961 2001 91.04345231757235 2002 91.44934292076023 2003 91.8472821733709 2004 92.23247154954392 2005 92.61155324115701 2006 92.9846959334829 2007 93.35182977782445 2008 93.70866242986332 2009 94.03527376244747 2010 94.35615409692328 2011 94.67476245155153 2012 94.98572427151682 2013 95.28386486916533 2014 95.57869223184969 2015 95.86884811575602 2016 96.12537742889722 2017 96.28815969814687 2018 96.56453886218631 2019 96.82883826151063 2020 97.11171396532383 2021 97.534475672628 2022 97.64587814028417