| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 53,600 | - |
| 2022/12 | 300,000 | -50.0% |
| 2021/12 | 600,000 | +500.0% |
| 2020/12 | 100,000 | -75.0% |
| 2019/12 | 400,000 | -11.2% |
| 2018/12 | 450,200 | +80.1% |
| 2017/12 | 250,000 | -16.7% |
| 2016/12 | 300,000 | - |
| 2015/12 | 0 | -100.0% |
| 2014/12 | 550,300 | +340.2% |
| 2013/12 | 125,000 | +115.9% |
| 2012/12 | 57,900 | -52.9% |
| 2011/12 | 123,000 | -20.0% |
| 2010/12 | 153,700 | - |