Year % (cumulative) 2000 11.7095699310303 2007 13.2352838516235 2010 26.7974605560303 2013 29.6169052124023 2014 29.9627857208252 2015 32.8394165039062 2016 33.3251152038574 2017 34.6135101318359 2018 33.7750396728516 2019 35.1636581420898 2020 37.4944305419922 2021 37.1015510559082 2022 36.4625854492188