| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 65,800 | +21833.3% |
| 2023/12 | 300 | -99.5% |
| 2022/12 | 65,200 | +863.9% |
| 2022/1 | 59,167 | +774.7% |
| 2021/1 | 6,764 | - |
| 2019/12 | 83,887 | +175.5% |
| 2018/12 | 30,452 | -47.0% |
| 2017/12 | 57,505 | +115.7% |
| 2016/12 | 55,825 | -17.8% |
| 2016/1 | 26,657 | -60.7% |
| 2015/1 | 67,908 | - |
| 2013/12 | 27,488 | +30.8% |
| 2012/12 | 21,021 | +18.0% |
| 2011/12 | 10,000 | - |
| 2011/1 | 17,817 | - |