| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/5 | 12,999 | +62.5% |
| 2024/5 | 8,000 | -47.4% |
| 2023/5 | 15,199 | -22.7% |
| 2022/5 | 19,651 | - |
| 2020/5 | 5,000 | -83.3% |
| 2019/5 | 29,891 | +484.3% |
| 2018/5 | 5,116 | -95.7% |
| 2017/5 | 118,886 | +322.7% |
| 2016/5 | 28,128 | +7.0% |
| 2015/5 | 26,277 | -11.2% |
| 2014/5 | 29,587 | -13.5% |
| 2013/5 | 34,192 | -24.7% |
| 2012/5 | 45,385 | +86.0% |
| 2011/5 | 24,397 | - |