| （単位：千ドル） | 投資キャッシュフロー | 前年比（％） |
|---|---|---|
| 2025/5 | -16,067 | -193.1% |
| 2024/5 | 17,251 | -192.5% |
| 2023/5 | -18,656 | +4384.6% |
| 2022/5 | -416 | +83.3% |
| 2021/5 | -227 | +39.3% |
| 2020/5 | -163 | -5.8% |
| 2019/5 | -173 | -69.8% |
| 2018/5 | -572 | +19.9% |
| 2017/5 | -477 | -48.1% |
| 2016/5 | -919 | +678.8% |
| 2015/5 | -118 | -59.2% |
| 2014/5 | -289 | +127.6% |
| 2013/5 | -127 | -109.5% |
| 2012/5 | 1,330 | - |