Year % (cumulative) 1991 10.5476703643799 2004 74.0511016845703 2005 73.6207885742188 2006 75.0342864990234 2007 73.2106323242188 2008 75.8000183105469 2009 77.3182067871094 2010 77.6738128662109 2011 78.4461212158203 2012 79.1578216552734 2013 79.7796478271484 2014 80.0910873413086 2015 81.4500274658203 2016 81.8688430786133 2017 82.5606307983398 2018 82.4642105102539 2019 82.9429702758789 2020 84.5077056884766 2021 86.0022888183594 2022 86.0007934570312