| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2026/1 | 863,400 | +393.4% |
| 2025/1 | 175,000 | - |
| 2023/12 | 100,000 | -74.7% |
| 2022/12 | 394,700 | +383.7% |
| 2021/12 | 180,000 | +0.1% |
| 2021/1 | 81,600 | -54.6% |
| 2020/1 | 179,800 | - |
| 2018/12 | 93,000 | -67.4% |
| 2017/12 | 285,300 | +21.7% |
| 2016/12 | 119,500 | +22.2% |
| 2016/1 | 234,400 | +139.8% |
| 2015/1 | 97,757 | - |
| 2012/12 | 0 | - |
| 2010/12 | 73,853 | - |