| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 385,000 | +54.0% |
| 2023/12 | 250,000 | -48.5% |
| 2022/12 | 485,000 | +20.9% |
| 2021/12 | 401,211 | +443.7% |
| 2020/12 | 73,789 | -85.9% |
| 2019/12 | 525,000 | +162.5% |
| 2018/12 | 200,000 | -55.6% |
| 2017/12 | 450,000 | -18.2% |
| 2016/12 | 550,024 | +83.4% |
| 2015/12 | 299,852 | -0.0% |
| 2014/12 | 299,989 | -0.1% |
| 2013/12 | 300,251 | +0.1% |
| 2012/12 | 299,883 | +49.9% |
| 2011/12 | 200,002 | +246.4% |
| 2010/12 | 57,735 | - |