| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/9 | 70,000 | -22.2% |
| 2023/10 | 90,029 | +260.1% |
| 2022/10 | 25,000 | -87.5% |
| 2021/10 | 200,000 | +28.6% |
| 2020/9 | 155,576 | +13.0% |
| 2019/9 | 137,654 | -57.7% |
| 2018/9 | 325,634 | -2.6% |
| 2017/10 | 334,361 | +17.5% |
| 2016/10 | 284,645 | -11.1% |
| 2015/9 | 320,163 | -1.1% |
| 2014/9 | 323,866 | +143.8% |
| 2013/9 | 132,833 | +342.6% |
| 2012/9 | 30,013 | -84.5% |
| 2011/10 | 193,099 | +99.1% |
| 2010/10 | 97,000 | - |