| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 59,500 | -41.7% |
| 2023/12 | 102,051 | -85.2% |
| 2022/12 | 691,705 | +70.3% |
| 2021/12 | 406,149 | +326.5% |
| 2020/12 | 95,227 | -80.8% |
| 2019/12 | 494,687 | -10.5% |
| 2018/12 | 552,872 | +80.2% |
| 2017/12 | 306,741 | +2.2% |
| 2016/12 | 300,217 | +73.8% |
| 2015/12 | 172,772 | -10.3% |
| 2014/12 | 192,657 | +45.4% |
| 2013/12 | 132,477 | -62.6% |
| 2012/12 | 354,464 | +73.0% |
| 2011/12 | 204,835 | +36.6% |
| 2010/12 | 149,981 | - |