Above is a graph of U.S. & Canada total box office revenue in billions of U.S. dollars. According to the graph, by what percentage would box office revenues need to grow from 2021 to 2022 to return to 2019 levels? Please express your answer as a percentage, not a decimal, and round to one decimal place after having converted to a percentage.

Box Office Revenue in the U.S. & Canada: 2016-2021 11.89 11.38 11.07 11.32 Gross revenues in billions of U.S. dollars LD 4.48 2.1 N O 2016 2017 2018 2019 2020 2021