Revenue grew rapidly before 2020, fell 40% in 2020, and recovered to 68% in 2021; operating profit declined 22.5% and 4% in 2018 and 2020, respectively, which is still an overall increase; net profit fell 79.5% and 198% in 2018 and 2020, respectively, and deviated greatly from the three lines. 2022 Q1 revenue increased 8.5%, operating profit increased 5.3%, and net profit increased 46.3%.