| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 114,101 | -40.9% |
| 2023/12 | 193,160 | +170.6% |
| 2022/12 | 71,386 | +28.2% |
| 2021/12 | 55,683 | -65.6% |
| 2020/12 | 161,829 | +7595.1% |
| 2019/12 | 2,103 | -98.2% |
| 2018/12 | 118,030 | +132.5% |
| 2017/12 | 50,770 | -53.4% |
| 2016/12 | 108,948 | +374.1% |
| 2015/12 | 22,979 | -93.0% |
| 2014/12 | 327,718 | +7710.2% |
| 2013/12 | 4,196 | -95.9% |
| 2012/12 | 103,196 | -58.4% |
| 2011/12 | 248,055 | -38.7% |
| 2011/1 | 404,816 | - |