Year % (cumulative) 2014 0.95702999830246 2015 0.994449973106384 2016 1.01818001270294 2017 1.05759000778198 2018 1.03607034683228 2019 1.0670599937439 2020 1.12775385379791 2021 1.16293668746948 2022 1.16425597667694