| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 9,317 | -94.9% |
| 2023/12 | 183,993 | +307.7% |
| 2022/12 | 45,124 | +426.4% |
| 2021/12 | 8,573 | -79.6% |
| 2020/12 | 42,111 | +52.6% |
| 2019/12 | 27,604 | +252.6% |
| 2018/12 | 7,828 | +89.9% |
| 2017/12 | 4,123 | -98.5% |
| 2016/12 | 277,306 | +63.0% |
| 2015/12 | 170,132 | +589.7% |
| 2014/12 | 24,666 | -90.8% |
| 2013/12 | 267,607 | +684.6% |
| 2012/12 | 34,109 | +115.9% |
| 2011/12 | 15,797 | +973.9% |
| 2010/12 | 1,471 | - |