| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 365,900 | +648.3% |
| 2023/12 | 48,900 | -92.9% |
| 2022/12 | 688,300 | +198.4% |
| 2021/12 | 230,700 | +355.9% |
| 2020/12 | 50,600 | +1481.3% |
| 2019/12 | 3,200 | -97.9% |
| 2018/12 | 148,900 | +341.1% |
| 2017/12 | 33,753 | -70.1% |
| 2016/12 | 112,939 | +258.0% |
| 2015/12 | 31,548 | - |
| 2013/12 | 7,903 | -66.1% |
| 2012/12 | 23,279 | +71.6% |
| 2011/12 | 13,568 | - |