| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 1,040 | -24.7% |
| 2023/12 | 1,382 | -98.3% |
| 2022/12 | 79,460 | +608.8% |
| 2021/12 | 11,211 | -47.4% |
| 2020/12 | 21,317 | -40.2% |
| 2019/12 | 35,673 | -64.6% |
| 2018/12 | 100,724 | +10072300.0% |
| 2017/12 | 1 | 0.0% |
| 2016/12 | 1 | 0.0% |
| 2015/12 | 1 | -50.0% |
| 2014/12 | 2 | -97.8% |
| 2013/12 | 93 | +675.0% |
| 2012/12 | 12 | -33.3% |
| 2011/12 | 18 | +63.6% |
| 2010/12 | 11 | - |