| （単位：百万ドル） | 投資キャッシュフロー | 前年比（％） |
|---|---|---|
| 2025/5 | -624 | +2.5% |
| 2024/5 | -609 | +56.6% |
| 2023/5 | -389 | -3.5% |
| 2022/5 | -403 | +193.4% |
| 2021/5 | -138 | -51.9% |
| 2020/5 | -286 | +21.1% |
| 2019/5 | -236 | +73.6% |
| 2018/5 | -136 | -94.1% |
| 2017/5 | -2,310 | -1899.6% |
| 2016/5 | 128 | +185.4% |
| 2015/5 | 44 | -371.9% |
| 2014/5 | -17 | -94.2% |
| 2013/5 | -285 | +172.5% |
| 2012/5 | -105 | -65.1% |
| 2011/5 | -299 | - |