| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 140,000 | -22.1% |
| 2023/12 | 179,800 | -33.4% |
| 2022/12 | 270,000 | +28.6% |
| 2021/12 | 210,000 | -20.7% |
| 2020/12 | 264,700 | +30.4% |
| 2019/12 | 203,000 | -59.5% |
| 2018/12 | 500,700 | +145.6% |
| 2017/12 | 203,900 | -57.7% |
| 2016/12 | 482,200 | -16.9% |
| 2015/12 | 580,200 | +304.3% |
| 2014/12 | 143,500 | - |
| 2013/12 | 0 | -100.0% |
| 2012/12 | 138,200 | +32.2% |
| 2011/12 | 104,500 | +200.3% |
| 2010/12 | 34,800 | - |