| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/5 | 934 | +33.5% |
| 2024/5 | 700 | +75.5% |
| 2023/5 | 398 | -73.9% |
| 2022/5 | 1,525 | +175.4% |
| 2021/5 | 554 | +19.3% |
| 2020/5 | 464 | -54.3% |
| 2019/5 | 1,016 | +698.2% |
| 2018/5 | 127 | +514.4% |
| 2017/5 | 20 | -97.3% |
| 2016/5 | 780 | +41.3% |
| 2015/5 | 551 | +48.9% |
| 2014/5 | 370 | +71.8% |
| 2013/5 | 215 | -45.0% |
| 2012/5 | 392 | -11.6% |
| 2011/5 | 443 | - |