| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 15,000 | -28.2% |
| 2023/12 | 20,900 | -33.0% |
| 2022/12 | 31,200 | -62.5% |
| 2021/12 | 83,200 | +44.9% |
| 2020/12 | 57,400 | +177.3% |
| 2019/12 | 20,700 | -88.4% |
| 2018/12 | 177,900 | +162.8% |
| 2017/12 | 67,700 | +4.5% |
| 2016/12 | 64,800 | +468.4% |
| 2015/12 | 11,400 | +39.0% |
| 2014/12 | 8,200 | +115.8% |
| 2013/12 | 3,800 | +7985.1% |
| 2012/12 | 47 | -91.4% |
| 2011/12 | 547 | - |