| （単位：百万ドル） | 投資キャッシュフロー | 前年比（％） |
|---|---|---|
| 2025/5 | -543 | +44.6% |
| 2024/5 | -375 | +5.7% |
| 2023/5 | -355 | -18.4% |
| 2022/5 | -435 | +27.8% |
| 2021/5 | -341 | +121.3% |
| 2020/5 | -154 | -97.0% |
| 2019/5 | -5,166 | +796.6% |
| 2018/5 | -577 | +778.4% |
| 2017/5 | -66 | -103.1% |
| 2016/5 | 2,127 | -5213.9% |
| 2015/5 | -42 | -91.9% |
| 2014/5 | -515 | -90.6% |
| 2013/5 | -5,466 | +413.6% |
| 2012/5 | -1,065 | -1297.2% |
| 2011/5 | 88 | -125.2% |
| 2010/5 | -353 | - |