| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 5,100 | - |
| 2022/12 | 9,391 | -76.6% |
| 2021/12 | 40,216 | +59.5% |
| 2020/12 | 25,220 | -79.3% |
| 2019/12 | 122,110 | -42.4% |
| 2018/12 | 211,858 | +621.9% |
| 2017/12 | 29,348 | -30.0% |
| 2016/12 | 41,929 | -38.7% |
| 2015/12 | 68,365 | +56.1% |
| 2014/12 | 43,800 | +6.4% |
| 2013/12 | 41,168 | -12.6% |
| 2012/12 | 47,106 | -16.3% |
| 2011/12 | 56,281 | -4.4% |
| 2010/12 | 58,855 | - |