| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/9 | 5,100 | -45.2% |
| 2023/9 | 9,300 | -96.4% |
| 2022/9 | 257,900 | +99.5% |
| 2021/9 | 129,300 | +143.0% |
| 2020/9 | 53,200 | +1616.1% |
| 2019/9 | 3,100 | -99.1% |
| 2018/9 | 327,700 | +33.2% |
| 2017/9 | 246,000 | +88.1% |
| 2016/9 | 130,800 | +783.8% |
| 2015/9 | 14,800 | -87.7% |
| 2014/9 | 120,000 | - |
| 2013/9 | 0 | -100.0% |
| 2012/9 | 17,500 | -95.1% |
| 2011/9 | 358,700 | +1334.8% |
| 2010/9 | 25,000 | - |