| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 428,250 | +22.2% |
| 2024/5 | 350,425 | +84.4% |
| 2023/5 | 190,046 | -119.3% |
| 2022/5 | -982,513 | -937.8% |
| 2021/5 | 117,266 | -70.6% |
| 2020/5 | 399,003 | +30.6% |
| 2019/5 | 305,534 | +16.2% |
| 2018/5 | 262,959 | +0.3% |
| 2017/5 | 262,149 | +31.8% |
| 2016/5 | 198,837 | +29.5% |
| 2015/5 | 153,529 | -22.3% |
| 2014/5 | 197,567 | +61.2% |
| 2013/5 | 122,565 | - |
| 2011/5 | 95,501 | - |