Year % (cumulative) 1980 1.81841003894806 1996 26.926700592041 2000 33.4436492919922 2005 26.3808498382568 2009 47.85498046875 2010 49.7250518798828 2016 58.6086387634277 2017 66.6793594360352 2018 68.3810653686523 2019 62.9572906494141 2020 74.061279296875 2021 77.1659698486328 2022 69.2569198608398