| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/9 | 77,300 | -55.9% |
| 2023/9 | 175,300 | -80.2% |
| 2022/9 | 886,800 | +353.4% |
| 2021/10 | 195,600 | -69.8% |
| 2020/10 | 647,500 | -1.5% |
| 2019/9 | 657,600 | -13.4% |
| 2018/9 | 759,500 | +75.7% |
| 2017/9 | 432,300 | -17.8% |
| 2016/9 | 525,600 | +121.5% |
| 2015/10 | 237,300 | +43.2% |
| 2014/10 | 165,700 | -10.4% |
| 2013/9 | 184,900 | +1390.5% |
| 2012/9 | 12,405 | -82.3% |
| 2011/9 | 70,043 | +1487.6% |
| 2010/10 | 4,412 | - |