| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 572,728 | +28.6% |
| 2023/12 | 445,479 | +53.2% |
| 2022/12 | 290,796 | +40.8% |
| 2021/12 | 206,518 | +669.7% |
| 2020/12 | 26,832 | -76.9% |
| 2019/12 | 116,307 | +115.4% |
| 2018/12 | 54,007 | -51.3% |
| 2017/12 | 110,838 | +116.7% |
| 2016/12 | 51,142 | +62.4% |
| 2015/12 | 31,491 | +20.9% |
| 2014/12 | 26,053 | -54.6% |
| 2013/12 | 57,388 | +240.1% |
| 2012/12 | 16,873 | - |
| 2010/12 | 45,218 | - |