| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/6 | 485,400 | +1897.5% |
| 2023/6 | 24,300 | +6.6% |
| 2022/6 | 22,800 | +6.0% |
| 2021/6 | 21,500 | -69.0% |
| 2020/6 | 69,300 | -82.6% |
| 2019/6 | 397,800 | +43.6% |
| 2018/6 | 277,100 | -19.2% |
| 2017/6 | 342,800 | +186.1% |
| 2016/6 | 119,800 | -60.3% |
| 2015/6 | 301,700 | +132.6% |
| 2014/6 | 129,700 | -45.6% |
| 2013/6 | 238,500 | +362.2% |
| 2012/6 | 51,600 | -76.8% |
| 2011/6 | 222,100 | - |