| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 768 | -79.5% |
| 2023/12 | 3,747 | -99.0% |
| 2022/12 | 64,188 | -72.8% |
| 2022/1 | 382,376 | +62.3% |
| 2021/1 | 235,644 | - |
| 2019/12 | 165,079 | -39.4% |
| 2018/12 | 272,446 | +75.5% |
| 2017/12 | 155,245 | +54.9% |
| 2016/12 | 126,693 | +172.5% |
| 2016/1 | 100,201 | +115.5% |
| 2015/1 | 46,492 | - |
| 2013/12 | 42,072 | +20.6% |
| 2012/12 | 34,892 | +9304.9% |
| 2011/12 | 371 | - |