| （単位：ドル） | 一株あたり配当金 | 前年比（％） |
|---|---|---|
| 2025/5 | 2.4 | +1.7% |
| 2024/5 | 2.36 | +9.3% |
| 2023/5 | 2.16 | +5.9% |
| 2022/5 | 2.04 | +1.0% |
| 2021/5 | 2.02 | +3.1% |
| 2020/5 | 1.96 | 0.0% |
| 2019/5 | 1.96 | 0.0% |
| 2018/5 | 1.96 | +2.1% |
| 2017/5 | 1.92 | +7.9% |
| 2016/5 | 1.78 | +6.6% |
| 2015/5 | 1.67 | +7.7% |
| 2014/5 | 1.55 | -8.8% |
| 2013/5 | 1.7 | +39.3% |
| 2012/5 | 1.22 | +8.9% |
| 2011/5 | 1.12 | +16.7% |
| 2010/5 | 0.96 | - |