| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/9 | 551,340 | -2.1% |
| 2024/9 | 563,121 | +15.0% |
| 2023/9 | 489,524 | -3.7% |
| 2022/9 | 508,472 | -25.2% |
| 2021/9 | 679,996 | +88.4% |
| 2020/9 | 360,912 | -9.3% |
| 2019/9 | 398,057 | -5.0% |
| 2018/9 | 419,228 | +23.1% |
| 2017/9 | 340,597 | -17.6% |
| 2016/9 | 413,422 | -8.9% |
| 2015/9 | 454,020 | +22.0% |
| 2014/9 | 372,014 | +1.3% |
| 2013/9 | 367,061 | -24.3% |
| 2012/9 | 484,608 | -22.4% |
| 2011/9 | 624,241 | - |