| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 26,700 | - |
| 2022/12 | 30,800 | -81.1% |
| 2021/12 | 162,600 | -23.6% |
| 2020/12 | 212,800 | -62.2% |
| 2019/12 | 563,600 | +876.8% |
| 2018/12 | 57,700 | +55.1% |
| 2017/12 | 37,200 | -64.8% |
| 2016/12 | 105,600 | -17.0% |
| 2015/12 | 127,300 | +524.0% |
| 2014/12 | 20,400 | -73.9% |
| 2013/12 | 78,200 | +291.0% |
| 2012/12 | 20,000 | -7.8% |
| 2011/12 | 21,700 | -83.9% |
| 2010/12 | 134,700 | - |