Year % (cumulative) 2003 74.2594833374023 2011 80.4321517944336 2014 84.1029815673828 2015 85.6086883544922 2016 85.1669082641602 2017 85.5493469238281 2018 66.472282409668 2019 86.6132965087891 2020 86.4516754150391 2021 64.9541015625