Year % (cumulative) 1995 80.4970703125 2005 86.7397994995117 2006 82.0664825439453 2007 82.3479537963867 2008 83.1465377807617 2009 83.3278274536133 2010 87.227180480957 2011 87.3669891357422 2012 87.9120025634766 2013 88.6870727539062 2014 88.4198532104492 2015 90.0547027587891 2016 89.4807815551758 2017 89.329719543457 2018 91.2999267578125 2019 91.4349212646484 2020 91.5422668457031 2021 90.2339935302734 2022 89.7374420166016