| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/12 | 488,911 | +32.4% |
| 2024/12 | 369,196 | +28.0% |
| 2023/12 | 288,443 | +99.0% |
| 2022/12 | 144,944 | +98.1% |
| 2021/12 | 73,180 | +51.6% |
| 2020/12 | 48,272 | +2.1% |
| 2019/12 | 47,276 | +81.8% |
| 2018/12 | 26,004 | +6.5% |
| 2017/12 | 24,428 | -44.0% |
| 2016/12 | 43,630 | -36.2% |
| 2015/12 | 68,384 | -27.5% |
| 2014/12 | 94,267 | +18.7% |
| 2013/12 | 79,447 | -25.8% |
| 2012/12 | 107,038 | +11.6% |
| 2011/12 | 95,886 | - |