| （単位：千ドル） | 投資キャッシュフロー | 前年比（％） |
|---|---|---|
| 2025/5 | -135,101 | -4.1% |
| 2024/5 | -140,808 | +96.2% |
| 2023/5 | -71,776 | -83.6% |
| 2022/5 | -438,188 | -193.5% |
| 2021/5 | 468,510 | -503.1% |
| 2020/5 | -116,215 | -1112.8% |
| 2019/5 | 11,475 | -103.4% |
| 2018/5 | -337,405 | +435.9% |
| 2017/5 | -62,964 | -50.4% |
| 2016/5 | -127,040 | -37.4% |
| 2015/5 | -203,069 | +339.6% |
| 2014/5 | -46,194 | -77.1% |
| 2013/5 | -201,976 | +7.1% |
| 2012/5 | -188,596 | +380.2% |
| 2011/5 | -39,277 | - |