| （単位：千ドル） | 投資キャッシュフロー | 前年比（％） |
|---|---|---|
| 2024/5 | -8,554 | -316.9% |
| 2023/5 | 3,943 | -233.2% |
| 2022/5 | -2,961 | -23.0% |
| 2021/5 | -3,843 | -85.6% |
| 2020/5 | -26,772 | +107.9% |
| 2019/5 | -12,877 | -49.8% |
| 2018/5 | -25,666 | -225.8% |
| 2017/5 | 20,409 | -968.5% |
| 2016/5 | -2,350 | -135.4% |
| 2015/5 | 6,634 | -152.2% |
| 2014/5 | -12,715 | +146.8% |
| 2013/5 | -5,152 | -74.9% |
| 2012/5 | -20,528 | -2443.4% |
| 2011/5 | 876 | - |