| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 82,700 | -53.7% |
| 2023/12 | 178,600 | -64.6% |
| 2022/12 | 505,000 | +9.4% |
| 2021/12 | 461,600 | +817.7% |
| 2020/12 | 50,300 | +500.4% |
| 2019/12 | 8,378 | -97.6% |
| 2018/12 | 348,663 | +285.4% |
| 2017/12 | 90,461 | -63.2% |
| 2016/12 | 245,816 | -16.3% |
| 2015/12 | 293,616 | +258.9% |
| 2014/12 | 81,812 | -84.6% |
| 2013/12 | 530,033 | +315.6% |
| 2012/12 | 127,525 | -3.7% |
| 2011/12 | 132,372 | +381.6% |
| 2010/12 | 27,486 | - |