| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 10,200 | -10.5% |
| 2023/12 | 11,400 | +23.9% |
| 2022/12 | 9,200 | -11.5% |
| 2021/12 | 10,400 | +103.9% |
| 2020/12 | 5,100 | -75.1% |
| 2019/12 | 20,500 | -81.4% |
| 2018/12 | 110,200 | +178.3% |
| 2017/12 | 39,600 | -81.6% |
| 2016/12 | 215,600 | -30.9% |
| 2015/12 | 312,200 | +86.2% |
| 2014/12 | 167,700 | +384.7% |
| 2013/12 | 34,600 | +36.8% |
| 2012/12 | 25,300 | -48.5% |
| 2011/12 | 49,100 | - |