| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2023/12 | 75,000 | -25.0% |
| 2022/12 | 100,000 | -75.0% |
| 2021/12 | 400,000 | +700.0% |
| 2020/12 | 50,000 | -87.5% |
| 2019/12 | 400,000 | +100.0% |
| 2018/12 | 200,000 | - |
| 2017/12 | 0 | -100.0% |
| 2016/12 | 11,200 | - |
| 2015/12 | 0 | - |
| 2014/12 | 0 | -100.0% |
| 2013/12 | 359,900 | +148.4% |
| 2012/12 | 144,900 | -12.2% |
| 2011/12 | 165,100 | +19.9% |
| 2010/12 | 137,700 | - |