| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/9 | 700,000 | +3.6% |
| 2023/9 | 676,000 | +54.0% |
| 2022/8 | 439,000 | -11.5% |
| 2021/8 | 496,000 | +153.1% |
| 2020/8 | 196,000 | -20.6% |
| 2019/9 | 247,000 | -24.7% |
| 2018/9 | 328,000 | -30.1% |
| 2017/9 | 469,000 | -3.5% |
| 2016/8 | 486,000 | +1.0% |
| 2015/8 | 481,000 | +44.0% |
| 2014/8 | 334,000 | +827.8% |
| 2013/9 | 36,000 | -94.3% |
| 2012/9 | 632,000 | +1.3% |
| 2011/8 | 624,000 | +13.2% |
| 2010/8 | 551,000 | - |