| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 31,914 | -25.5% |
| 2023/12 | 42,864 | -79.3% |
| 2022/12 | 207,470 | +5.7% |
| 2021/12 | 196,220 | +93.4% |
| 2020/12 | 101,434 | - |
| 2019/12 | 0 | -100.0% |
| 2018/12 | 232,016 | +792.4% |
| 2017/12 | 25,998 | -27.4% |
| 2016/12 | 35,815 | -81.6% |
| 2015/12 | 194,924 | -21.6% |
| 2014/12 | 248,509 | +169.5% |
| 2013/12 | 92,195 | - |
| 2012/12 | 0 | -100.0% |
| 2011/12 | 98,093 | -19.3% |
| 2010/12 | 121,517 | - |