| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 31,350 | -69.4% |
| 2023/12 | 102,344 | -56.2% |
| 2022/12 | 233,426 | - |
| 2020/12 | 102,143 | +977.2% |
| 2019/12 | 9,482 | -96.1% |
| 2018/12 | 244,814 | +171.5% |
| 2017/12 | 90,160 | +78.5% |
| 2016/12 | 50,497 | -81.6% |
| 2015/12 | 274,503 | +40.5% |
| 2014/12 | 195,326 | +188.0% |
| 2013/12 | 67,827 | +4822.1% |
| 2012/12 | 1,378 | -96.8% |
| 2011/12 | 43,250 | +78.6% |
| 2010/12 | 24,218 | - |