| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/8 | 235,235 | +33.1% |
| 2023/8 | 176,720 | +848.1% |
| 2022/8 | 18,639 | -93.0% |
| 2021/8 | 264,702 | +32.6% |
| 2020/8 | 199,625 | -9.4% |
| 2019/8 | 220,372 | -27.5% |
| 2018/8 | 303,955 | +16.5% |
| 2017/8 | 260,978 | -26.9% |
| 2016/8 | 356,828 | +39.3% |
| 2015/8 | 256,217 | -8.4% |
| 2014/8 | 279,829 | -15.8% |
| 2013/8 | 332,168 | +116.2% |
| 2012/8 | 153,641 | -29.1% |
| 2011/8 | 216,584 | - |