Year % (cumulative) 1999 10.3054504394531 2013 12.6017799377441 2014 12.5969200134277 2015 12.5801801681519 2016 12.6286201477051 2017 12.5503101348877 2018 12.5284795761108 2019 12.4977598190308 2021 13.0785207748413 2022 16.3901062011719 2023 16.276330947876