| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 240,400 | +60.3% |
| 2023/12 | 150,000 | -74.1% |
| 2022/12 | 580,100 | +29.6% |
| 2021/12 | 447,700 | +138.6% |
| 2020/12 | 187,600 | +87.6% |
| 2019/12 | 100,000 | -85.6% |
| 2018/12 | 694,600 | +223.4% |
| 2017/12 | 214,800 | -49.4% |
| 2016/12 | 424,500 | +721.1% |
| 2015/12 | 51,700 | -88.2% |
| 2014/12 | 439,800 | +744.1% |
| 2013/12 | 52,100 | +492.0% |
| 2012/12 | 8,800 | - |