| （単位：千ドル） | 配当金の支払額 | 前年比（％） |
|---|---|---|
| 2025/6 | 40,300 | +0.8% |
| 2024/6 | 40,000 | +1.5% |
| 2023/6 | 39,400 | +0.5% |
| 2022/6 | 39,200 | +0.3% |
| 2021/6 | 39,100 | +0.8% |
| 2020/6 | 38,800 | +0.5% |
| 2019/6 | 38,600 | +12.2% |
| 2018/6 | 34,400 | +0.9% |
| 2017/6 | 34,100 | -2.0% |
| 2016/6 | 34,800 | -8.2% |
| 2015/6 | 37,900 | -1.6% |
| 2014/6 | 38,500 | +0.5% |
| 2013/6 | 38,300 | +13.6% |
| 2012/6 | 33,700 | +5.0% |
| 2011/6 | 32,100 | - |