| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 306,300 | -0.0% |
| 2023/12 | 306,359 | -35.0% |
| 2022/12 | 471,229 | +241.4% |
| 2021/12 | 138,039 | +81.2% |
| 2020/12 | 76,199 | +228.6% |
| 2019/12 | 23,188 | -87.6% |
| 2018/12 | 187,469 | +28.4% |
| 2017/12 | 146,006 | -18.2% |
| 2016/12 | 178,414 | +79.8% |
| 2015/12 | 99,219 | -27.3% |
| 2014/12 | 136,466 | +41.9% |
| 2013/12 | 96,179 | +17.6% |
| 2012/12 | 81,761 | +6.8% |
| 2011/12 | 76,564 | +459.6% |
| 2010/12 | 13,683 | - |