| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 34,660 | -53.5% |
| 2023/12 | 74,565 | +154.8% |
| 2022/12 | 264,777 | +208.3% |
| 2022/1 | 29,265 | -65.9% |
| 2021/1 | 85,872 | - |
| 2019/12 | 6,144 | - |
| 2018/12 | 0 | -100.0% |
| 2017/12 | 239,838 | +4859.4% |
| 2016/12 | 4,418 | -90.0% |
| 2016/1 | 4,836 | -89.1% |
| 2015/1 | 44,283 | - |
| 2013/12 | 4,391 | -78.8% |
| 2012/12 | 20,670 | +129.2% |
| 2011/12 | 15,663 | - |
| 2011/1 | 9,019 | - |