| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 22,703 | -50.4% |
| 2023/12 | 45,801 | +381.6% |
| 2022/12 | 34,586 | +4317.1% |
| 2022/1 | 9,510 | +1114.6% |
| 2021/1 | 783 | - |
| 2019/12 | 7,054 | +183.4% |
| 2018/12 | 2,489 | -6.8% |
| 2017/12 | 2,671 | -61.1% |
| 2016/12 | 126,300 | +224.5% |
| 2016/1 | 6,858 | -82.4% |
| 2015/1 | 38,916 | - |
| 2013/12 | 8,819 | -52.9% |
| 2012/12 | 18,726 | -52.2% |
| 2011/12 | 26,598 | - |
| 2011/1 | 39,184 | - |