| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 0 | -100.0% |
| 2023/12 | 300,100 | - |
| 2022/12 | 0 | -100.0% |
| 2021/12 | 500,000 | +66.7% |
| 2020/12 | 300,000 | +20.0% |
| 2019/12 | 250,000 | +25.0% |
| 2018/12 | 200,000 | -50.0% |
| 2017/12 | 400,000 | 0.0% |
| 2016/12 | 400,000 | +10.2% |
| 2015/12 | 363,100 | -24.2% |
| 2014/12 | 478,800 | +855.7% |
| 2013/12 | 50,100 | -80.0% |
| 2012/12 | 250,400 | +212.2% |
| 2011/12 | 80,200 | +92083.9% |
| 2010/12 | 87 | - |