| （単位：千ドル） | 投資キャッシュフロー | 前年比（％） |
|---|---|---|
| 2025/5 | -10,178 | -108.2% |
| 2024/5 | 123,717 | -1369.4% |
| 2023/5 | -9,746 | -49.5% |
| 2022/5 | -19,307 | +40.8% |
| 2021/5 | -13,711 | -78.4% |
| 2020/5 | -63,345 | -176.7% |
| 2019/5 | 82,554 | -2358.0% |
| 2018/5 | -3,656 | +43.3% |
| 2017/5 | -2,551 | -66.3% |
| 2016/5 | -7,569 | -43.1% |
| 2015/5 | -13,293 | -22.0% |
| 2014/5 | -17,047 | -23.3% |
| 2013/5 | -22,238 | -87.4% |
| 2012/5 | -176,360 | - |