| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/10 | 245,500 | +309.2% |
| 2023/10 | 60,000 | -57.1% |
| 2022/10 | 140,000 | -53.7% |
| 2021/10 | 302,300 | - |
| 2019/10 | 20,043 | -87.5% |
| 2018/10 | 160,435 | +0.7% |
| 2017/10 | 159,354 | +42.3% |
| 2016/10 | 111,999 | +4.7% |
| 2015/10 | 106,964 | +3.8% |
| 2014/10 | 103,039 | +3.5% |
| 2013/10 | 99,587 | +6.6% |
| 2012/10 | 93,395 | -28.1% |
| 2011/10 | 129,955 | -4.3% |
| 2010/10 | 135,777 | - |