| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2023/12 | 13,011 | -81.4% |
| 2022/12 | 70,045 | -12.9% |
| 2021/12 | 80,420 | -44.3% |
| 2020/12 | 144,334 | +17395.0% |
| 2019/12 | 825 | -98.8% |
| 2018/12 | 69,565 | -3.0% |
| 2017/12 | 71,731 | -71.0% |
| 2016/12 | 247,208 | +50.7% |
| 2015/12 | 164,094 | +258.9% |
| 2014/12 | 45,724 | -67.5% |
| 2013/12 | 140,865 | -30.1% |
| 2012/12 | 201,471 | +200.0% |
| 2011/12 | 67,149 | +14.8% |
| 2010/12 | 58,516 | - |