| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 263,751 | +32.7% |
| 2023/12 | 198,765 | +9.6% |
| 2022/12 | 181,293 | +10.2% |
| 2021/12 | 164,526 | +45.0% |
| 2020/12 | 113,455 | -61.2% |
| 2019/12 | 292,693 | +45.1% |
| 2018/12 | 201,650 | +367.2% |
| 2017/12 | 43,164 | -87.4% |
| 2016/12 | 342,003 | -14.4% |
| 2015/12 | 399,494 | +30.1% |
| 2014/12 | 307,178 | +83.0% |
| 2013/12 | 167,879 | +107.2% |
| 2012/12 | 81,018 | +119.0% |
| 2011/12 | 36,997 | -6.8% |
| 2010/12 | 39,682 | - |