| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/6 | 4,448 | +71.0% |
| 2024/6 | 2,601 | -44.0% |
| 2023/6 | 4,648 | +8.0% |
| 2022/6 | 4,305 | +84.3% |
| 2021/6 | 2,336 | +82.1% |
| 2020/6 | 1,283 | -9.1% |
| 2019/6 | 1,412 | -80.8% |
| 2018/6 | 7,347 | -15.7% |
| 2017/6 | 8,714 | -33.2% |
| 2016/6 | 13,038 | +2.8% |
| 2015/6 | 12,680 | -26.2% |
| 2014/6 | 17,182 | +91.8% |
| 2013/6 | 8,959 | -233.9% |
| 2012/6 | -6,693 | - |