| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/5 | 418 | -7.9% |
| 2024/5 | 453 | -1.0% |
| 2023/5 | 458 | -57.2% |
| 2022/5 | 1,071 | +2259.7% |
| 2021/5 | 45 | -86.3% |
| 2020/5 | 330 | +59.2% |
| 2019/5 | 207 | -11.6% |
| 2018/5 | 234 | +2.0% |
| 2017/5 | 230 | +24.6% |
| 2016/5 | 184 | -63.2% |
| 2015/5 | 502 | +100360.0% |
| 2014/5 | 0 | -99.0% |
| 2013/5 | 52 | -86.0% |
| 2012/5 | 375 | -2.7% |
| 2011/5 | 385 | +353.0% |
| 2010/5 | 85 | - |