| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2026/1 | 20 | - |
| 2024/12 | 17 | +9.9% |
| 2023/12 | 16 | -53.1% |
| 2022/12 | 2,323 | +8766.4% |
| 2022/1 | 34 | +30.9% |
| 2021/1 | 26 | - |
| 2019/12 | 27 | -94.8% |
| 2018/12 | 527 | +1736.6% |
| 2017/12 | 28 | -95.6% |
| 2016/12 | 374 | +1226.6% |
| 2016/1 | 649 | +2204.3% |
| 2015/1 | 28 | - |
| 2013/12 | 39 | -96.3% |
| 2012/12 | 1,073 | +21816.3% |
| 2011/12 | 11 | - |
| 2011/1 | 4 | - |