Year % (cumulative) 2014 11.9143199920654 2015 12.2994699478149 2016 12.4026403427124 2017 12.8646898269653 2018 13.1939287185669 2019 13.8921499252319 2020 15.301079750061 2021 15.8602094650269 2022 14.708291053772