| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 709,800 | +107.6% |
| 2023/12 | 341,900 | -52.1% |
| 2022/12 | 713,800 | +19.9% |
| 2021/12 | 595,300 | +77.6% |
| 2020/12 | 335,100 | -5.9% |
| 2019/12 | 356,100 | -29.6% |
| 2018/12 | 505,800 | +28.6% |
| 2017/12 | 393,200 | +1077.2% |
| 2016/12 | 33,400 | -91.9% |
| 2015/12 | 413,700 | +116.8% |
| 2014/12 | 190,800 | +1115.3% |
| 2013/12 | 15,700 | -74.2% |
| 2012/12 | 60,900 | -0.2% |
| 2011/12 | 61,000 | - |