| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/8 | 187,695 | +96.0% |
| 2023/9 | 95,779 | +250.1% |
| 2022/9 | 27,359 | -61.6% |
| 2021/8 | 71,261 | +1969.1% |
| 2020/8 | 3,444 | -95.9% |
| 2019/8 | 84,611 | +2.7% |
| 2018/9 | 82,369 | +67.5% |
| 2017/9 | 49,182 | -87.2% |
| 2016/9 | 383,798 | +1048.6% |
| 2015/8 | 33,414 | -82.5% |
| 2014/8 | 191,359 | +4971.8% |
| 2013/8 | 3,773 | -92.2% |
| 2012/9 | 48,098 | -30.6% |
| 2011/8 | 69,279 | - |