Year % (cumulative) 2000 12.2272996902466 2007 12.4149627685547 2010 23.7133197784424 2013 26.5189304351807 2014 26.716423034668 2015 29.1100387573242 2016 29.1731624603271 2017 29.9934101104736 2018 29.282169342041 2019 31.90478515625 2020 32.6043701171875 2021 32.8566627502441 2022 31.6441268920898