| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/2 | 807,500 | +158.0% |
| 2024/1 | 313,000 | -64.4% |
| 2023/1 | 880,000 | -2.2% |
| 2022/1 | 899,433 | +499.6% |
| 2021/1 | 150,000 | +0.8% |
| 2020/2 | 148,834 | -49.6% |
| 2019/2 | 295,304 | +50.5% |
| 2018/1 | 196,179 | +29.7% |
| 2017/1 | 151,272 | -32.8% |
| 2016/1 | 224,995 | +0.3% |
| 2015/2 | 224,377 | -6.2% |
| 2014/2 | 239,274 | +54.3% |
| 2013/2 | 155,080 | -20.2% |
| 2012/1 | 194,429 | +55.5% |
| 2011/1 | 125,000 | - |