| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2023/12 | 6,000 | -98.9% |
| 2022/12 | 553,000 | +19.4% |
| 2021/12 | 463,000 | +96.2% |
| 2020/12 | 236,000 | +174.4% |
| 2019/12 | 86,000 | +330.0% |
| 2018/12 | 20,000 | -13.0% |
| 2017/12 | 23,000 | -91.7% |
| 2016/12 | 276,000 | -44.6% |
| 2015/12 | 498,000 | +24800.0% |
| 2014/12 | 2,000 | -94.1% |
| 2013/12 | 34,000 | -9.6% |
| 2012/12 | 37,600 | -56.4% |
| 2011/12 | 86,200 | -26.7% |
| 2010/12 | 117,600 | - |