| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/12 | 200 | +159.5% |
| 2024/12 | 77 | +48.9% |
| 2023/12 | 189 | -29.4% |
| 2023/1 | 51 | -80.7% |
| 2022/1 | 268 | +331.9% |
| 2021/1 | 62 | - |
| 2019/12 | 217 | -19.3% |
| 2018/12 | 269 | -19.9% |
| 2017/12 | 126 | -88.5% |
| 2017/1 | 336 | -69.3% |
| 2016/1 | 1,098 | - |
| 2014/12 | 301 | +334.5% |
| 2013/12 | 69 | -56.0% |
| 2012/12 | 0 | -100.0% |
| 2012/1 | 157 | -9.2% |
| 2011/1 | 173 | - |