| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 116,000 | +415.6% |
| 2023/12 | 22,500 | -85.5% |
| 2022/12 | 155,000 | +26.9% |
| 2021/9 | 122,100 | +137.1% |
| 2020/9 | 51,500 | -85.6% |
| 2019/9 | 357,400 | +39.1% |
| 2018/9 | 257,000 | +5254.2% |
| 2017/9 | 4,800 | -95.2% |
| 2016/9 | 100,100 | -50.0% |
| 2015/9 | 200,400 | -50.3% |
| 2014/9 | 403,300 | +99.9% |
| 2013/9 | 201,800 | +1417.3% |
| 2012/9 | 13,300 | - |