| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/12 | 18,228 | -71.1% |
| 2024/1 | 46,085 | -27.0% |
| 2023/1 | 63,132 | - |
| 2021/12 | 5,766 | +59.2% |
| 2020/12 | 3,621 | -96.7% |
| 2019/12 | 50,982 | -58.5% |
| 2019/1 | 109,276 | -11.1% |
| 2018/1 | 122,975 | -16.0% |
| 2017/1 | 146,467 | - |
| 2015/12 | 109,371 | -22.1% |
| 2014/12 | 140,483 | +38.6% |
| 2013/12 | 183,659 | +6.7% |
| 2013/1 | 101,392 | -41.1% |
| 2012/1 | 172,126 | - |
| 2010/12 | 52,088 | - |