| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/9 | 160,001 | +7.2% |
| 2023/9 | 149,276 | -71.9% |
| 2022/9 | 530,486 | +115.8% |
| 2021/9 | 245,864 | +41.5% |
| 2020/9 | 173,742 | -49.0% |
| 2019/9 | 340,585 | +126.3% |
| 2018/9 | 150,470 | +50.5% |
| 2017/9 | 100,000 | -0.8% |
| 2016/9 | 100,854 | -6.1% |
| 2015/9 | 107,349 | +91.6% |
| 2014/9 | 56,028 | -31.9% |
| 2013/9 | 82,245 | -69.3% |
| 2012/9 | 268,203 | +39.4% |
| 2011/9 | 192,410 | -20.3% |
| 2010/9 | 241,362 | - |