| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2024/5 | 956,900 | +5.1% |
| 2023/5 | 910,600 | +11.0% |
| 2022/5 | 820,400 | +10.6% |
| 2021/5 | 741,700 | +5.1% |
| 2020/5 | 706,000 | -0.5% |
| 2019/5 | 709,800 | -3.2% |
| 2018/5 | 733,200 | +0.7% |
| 2017/5 | 727,900 | +6.8% |
| 2016/5 | 681,600 | +5.8% |
| 2015/5 | 644,300 | -0.3% |
| 2014/5 | 646,000 | +10.4% |
| 2013/5 | 584,900 | +8.0% |
| 2012/5 | 541,772 | +11.4% |
| 2011/5 | 486,130 | - |