The graph plots years from 2016 to 2023 against values from 0 to 5.50. Traditional tasks decrease from about 3.75 in 2016 to 3.12 in 2017, then rise to 3.78 in 2018, 4.12 in 2019, and 4.72 in 2020. It decreases to 4.60 in 2021, then rises to 4.68 in 2022 and 5.05 in 2023. Traditional skills and traits remain lower, with about 2.55 in 2016, 2.53 in 2017, 2.68 in 2018, 2.64 in 2019, 2.82 in 2020, 2.70 in 2021, 2.90 in 2022, and 2.85 in 2023.
Frequency trends of subthemes related to the traditional controller role