Year % (cumulative) 1980 1.89258003234863 1996 6.84681987762451 2000 11.397970199585 2005 5.11517000198364 2009 15.611590385437 2010 16.3695392608643 2016 20.8830394744873 2017 23.7346611022949 2018 24.3440055847168 2019 22.5514793395996 2020 26.4193744659424 2021 28.7113800048828 2022 25.6417999267578