| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 212,027 | +2628.1% |
| 2023/12 | 7,772 | -97.7% |
| 2022/12 | 332,821 | +2162.4% |
| 2021/12 | 14,711 | +214.0% |
| 2020/12 | 4,685 | -60.7% |
| 2019/12 | 11,924 | -96.8% |
| 2018/12 | 367,678 | +5254.3% |
| 2017/12 | 6,867 | -98.0% |
| 2016/12 | 336,140 | -22.8% |
| 2015/12 | 435,400 | +77.5% |
| 2014/12 | 245,283 | +2796.9% |
| 2013/12 | 8,467 | +82.4% |
| 2012/12 | 4,642 | -92.2% |
| 2011/12 | 59,336 | -24.5% |
| 2010/12 | 78,609 | - |