Year % (cumulative) 2000 33.5187683105469 2005 58.7828216552734 2006 61.5739212036133 2007 57.952278137207 2008 64.7051773071289 2010 63.3757705688477 2011 64.6719436645508 2012 68.5535430908203 2013 71.0738906860352 2014 72.6883010864258 2015 73.2266616821289 2016 74.2894134521484 2017 77.2244873046875 2018 78.707878112793 2019 80.0776748657227 2020 82.1830902099609 2021 84.4356307983398 2022 85.0283660888672