| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 837,034 | +1063.8% |
| 2023/12 | 71,920 | -91.2% |
| 2022/12 | 819,711 | +9.8% |
| 2021/12 | 746,777 | +308.5% |
| 2020/12 | 182,815 | -39.4% |
| 2019/12 | 301,658 | -18.3% |
| 2018/12 | 369,319 | +30.7% |
| 2017/12 | 282,565 | -7.1% |
| 2016/12 | 304,086 | -24.4% |
| 2015/12 | 401,981 | -35.0% |
| 2014/12 | 618,158 | +68.1% |
| 2013/12 | 367,761 | +178.0% |
| 2012/12 | 132,268 | -48.2% |
| 2011/12 | 255,505 | +78.6% |
| 2010/12 | 143,090 | - |