| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/4 | 252,924 | -8.4% |
| 2023/4 | 275,971 | +75.8% |
| 2022/4 | 157,002 | -25.5% |
| 2021/4 | 210,607 | -136.8% |
| 2020/4 | -572,119 | -515.4% |
| 2019/4 | 137,716 | -37.4% |
| 2018/4 | 219,889 | -23.6% |
| 2017/4 | 287,928 | -17.2% |
| 2016/4 | 347,713 | -6.9% |
| 2015/4 | 373,427 | +8.0% |
| 2014/4 | 345,756 | -2.5% |
| 2013/4 | 354,455 | -1.0% |
| 2012/4 | 358,009 | -4.8% |
| 2011/4 | 376,008 | - |