Year % (cumulative) 1990 52.7037582397461 2004 77.9293899536133 2005 78.4168472290039 2007 79.9518737792969 2008 81.0508422851562 2009 80.4457702636719 2010 82.3419876098633 2011 82.72119140625 2012 83.2230834960938 2013 84.5303802490234 2014 85.7212066650391 2015 85.9257888793945 2016 86.4879989624023 2017 86.7900924682617 2018 87.2581787109375 2019 87.8912200927734 2020 88.7853546142578 2021 92.3115081787109 2022 89.4875183105469