| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/12 | 742,000 | +539.7% |
| 2024/12 | 116,000 | - |
| 2021/1 | 736,000 | - |
| 2019/12 | 324,000 | +61.2% |
| 2018/12 | 201,000 | -19.4% |
| 2017/12 | 251,000 | -8.5% |
| 2017/1 | 249,342 | -9.1% |
| 2016/1 | 274,324 | - |
| 2014/12 | 237,183 | +374.2% |
| 2013/12 | 50,020 | -91.2% |
| 2012/12 | 82,522 | +87.5% |
| 2012/1 | 570,406 | +1195.9% |
| 2011/1 | 44,016 | - |