| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/9 | 500,558 | +43.0% |
| 2023/9 | 350,049 | -30.0% |
| 2022/9 | 500,023 | 0.0% |
| 2021/9 | 500,000 | +399.9% |
| 2020/9 | 100,016 | -50.3% |
| 2019/9 | 201,045 | -66.5% |
| 2018/9 | 600,081 | 0.0% |
| 2017/9 | 600,090 | -14.3% |
| 2016/9 | 700,124 | +15.4% |
| 2015/9 | 606,858 | -6.7% |
| 2014/9 | 650,542 | +225.3% |
| 2013/9 | 200,000 | +8.2% |
| 2012/9 | 184,776 | -31.9% |
| 2011/9 | 271,526 | +262.0% |
| 2010/9 | 75,000 | - |