| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 253,733 | -53.4% |
| 2023/12 | 544,844 | -17.6% |
| 2022/12 | 660,850 | +19.2% |
| 2021/12 | 554,313 | +7.2% |
| 2020/12 | 516,870 | +298.9% |
| 2019/12 | 129,589 | -53.3% |
| 2018/12 | 277,611 | +39.1% |
| 2017/12 | 199,637 | -12.4% |
| 2016/12 | 227,928 | -34.0% |
| 2015/12 | 345,261 | +42.2% |
| 2014/12 | 242,874 | +14119.8% |
| 2013/12 | 1,708 | -99.1% |
| 2012/12 | 186,766 | -5.3% |
| 2011/12 | 197,302 | +68.8% |
| 2010/12 | 116,878 | - |