| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 49,000 | -22.0% |
| 2023/12 | 62,800 | -38.0% |
| 2022/12 | 101,300 | +3276.7% |
| 2021/12 | 3,000 | -94.6% |
| 2020/12 | 56,000 | +656.8% |
| 2019/12 | 7,400 | -98.3% |
| 2018/12 | 427,500 | -53.8% |
| 2017/12 | 924,900 | +1018.4% |
| 2016/12 | 82,700 | +62.8% |
| 2015/12 | 50,800 | -70.3% |
| 2014/12 | 171,200 | +445.2% |
| 2013/12 | 31,400 | - |
| 2010/12 | 1,200 | - |