Year % (cumulative) 2007 26.7207794189453 2013 26.5189304351807 2014 26.716423034668 2015 29.1100387573242 2016 29.1731624603271 2017 29.9934101104736 2018 38.6020545959473 2019 40.1022109985352 2020 34.1467399597168 2021 40.7152252197266 2022 38.6003150939941