| （単位：千ドル） | 純利益 | 前年比（％） |
|---|---|---|
| 2024/5 | 589,442 | +22.9% |
| 2023/5 | 479,731 | -2.6% |
| 2022/5 | 492,466 | -2.2% |
| 2021/5 | 503,500 | +65.0% |
| 2020/5 | 305,082 | +14.0% |
| 2019/5 | 267,687 | -21.1% |
| 2018/5 | 339,257 | +83.7% |
| 2017/5 | 184,671 | -48.3% |
| 2016/5 | 357,458 | +49.3% |
| 2015/5 | 239,484 | -21.7% |
| 2014/5 | 305,984 | +178.5% |
| 2013/5 | 109,851 | -53.0% |
| 2012/5 | 233,763 | +15.1% |
| 2011/5 | 203,168 | - |