| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/9 | 24,075 | -35.2% |
| 2023/9 | 37,161 | -40.3% |
| 2022/9 | 62,287 | +123.3% |
| 2021/9 | 27,892 | -52.8% |
| 2020/9 | 59,129 | -6.1% |
| 2019/9 | 62,974 | +356.4% |
| 2018/9 | 13,797 | -49.9% |
| 2017/9 | 27,556 | +153.4% |
| 2016/9 | 10,873 | -41.2% |
| 2015/9 | 18,497 | +693.2% |
| 2014/9 | 2,332 | -14.6% |
| 2013/9 | 2,731 | -89.0% |
| 2012/9 | 24,829 | -77.2% |
| 2011/9 | 108,727 | - |