| （単位：百万ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 2025/5 | 2,985 | -29.8% |
| 2024/5 | 4,250 | -22.4% |
| 2023/5 | 5,480 | +36.5% |
| 2022/5 | 4,014 | +560.2% |
| 2021/5 | 608 | -80.2% |
| 2020/5 | 3,067 | -28.4% |
| 2019/5 | 4,286 | +0.8% |
| 2018/5 | 4,254 | +32.0% |
| 2017/5 | 3,223 | -0.5% |
| 2016/5 | 3,238 | +27.8% |
| 2015/5 | 2,534 | -3.6% |
| 2014/5 | 2,628 | +57.0% |
| 2013/5 | 1,674 | -7.7% |
| 2012/5 | 1,814 | -2.4% |
| 2011/5 | 1,859 | +150.8% |
| 2010/5 | 741 | - |