| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2024/10 | 4,007 | -44.5% |
| 2023/10 | 7,216 | +100.6% |
| 2022/10 | 3,597 | +41.7% |
| 2021/10 | 2,538 | +238.4% |
| 2020/11 | 750 | -40.1% |
| 2019/11 | 1,253 | +30.8% |
| 2018/10 | 957 | +15350.0% |
| 2017/10 | 6 | -97.0% |
| 2016/10 | 205 | -92.6% |
| 2015/10 | 2,771 | +1.4% |
| 2014/10 | 2,731 | +78.3% |
| 2013/10 | 1,531 | -3.5% |
| 2012/10 | 1,587 | -4.8% |
| 2011/10 | 1,667 | +364.6% |
| 2010/10 | 358 | - |