| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 305,800 | -0.2% |
| 2023/12 | 306,500 | -24.0% |
| 2022/12 | 403,500 | +10.1% |
| 2021/12 | 366,500 | +546.4% |
| 2020/12 | 56,700 | -80.3% |
| 2019/12 | 287,700 | +42.0% |
| 2018/12 | 202,600 | +45.7% |
| 2017/12 | 139,100 | +2.9% |
| 2016/12 | 135,200 | +5.5% |
| 2015/12 | 128,100 | +23.4% |
| 2014/12 | 103,800 | +40.8% |
| 2013/12 | 73,700 | +235.0% |
| 2012/12 | 22,000 | -6.4% |
| 2011/12 | 23,500 | - |