| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2023/12 | 65,378 | -46.6% |
| 2022/12 | 122,538 | +21.9% |
| 2021/12 | 100,487 | +71.7% |
| 2020/12 | 58,536 | +115.5% |
| 2019/12 | 27,163 | +55.4% |
| 2018/12 | 17,484 | -11.4% |
| 2017/12 | 19,735 | +115.8% |
| 2016/12 | 9,144 | -74.9% |
| 2015/12 | 36,482 | +29.7% |
| 2014/12 | 28,137 | +6.3% |
| 2013/12 | 26,468 | +363.1% |
| 2012/12 | 5,716 | -39.9% |
| 2011/12 | 9,513 | - |