| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2024/5 | 88,595 | +1.1% |
| 2023/5 | 87,648 | +66.2% |
| 2022/5 | 52,738 | -85.6% |
| 2021/5 | 367,229 | +1.9% |
| 2020/5 | 360,534 | +2.9% |
| 2019/5 | 350,230 | +4.3% |
| 2018/5 | 335,741 | +1.1% |
| 2017/5 | 332,024 | +1.2% |
| 2016/5 | 327,954 | +4.7% |
| 2015/5 | 313,268 | +4.8% |
| 2014/5 | 298,830 | +2.9% |
| 2013/5 | 290,549 | +3.5% |
| 2012/5 | 280,650 | +12.7% |
| 2011/5 | 248,983 | - |