| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/4 | 45,050 | +28.7% |
| 2023/4 | 35,000 | +16.7% |
| 2022/4 | 30,000 | +90.3% |
| 2021/4 | 15,765 | -66.2% |
| 2020/4 | 46,589 | -22.3% |
| 2019/4 | 59,994 | +51.2% |
| 2018/4 | 39,688 | -21.1% |
| 2017/4 | 50,326 | -28.1% |
| 2016/4 | 69,977 | +12.9% |
| 2015/4 | 61,981 | -2.2% |
| 2014/4 | 63,393 | -14.0% |
| 2013/4 | 73,721 | -15.3% |
| 2012/4 | 87,072 | +211.4% |
| 2011/4 | 27,958 | - |