| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 58,700 | -83.6% |
| 2023/12 | 358,700 | -58.7% |
| 2022/12 | 869,300 | +209.8% |
| 2021/12 | 280,600 | +854.4% |
| 2020/12 | 29,400 | -82.6% |
| 2019/12 | 169,200 | +145.6% |
| 2018/12 | 68,900 | +272.4% |
| 2017/12 | 18,500 | -89.3% |
| 2016/12 | 173,600 | +255.0% |
| 2015/12 | 48,900 | +215.5% |
| 2014/12 | 15,500 | -1.9% |
| 2013/12 | 15,800 | +60.7% |
| 2012/12 | 9,829 | -77.8% |
| 2011/12 | 44,263 | +5793.9% |
| 2010/12 | 751 | - |