| （単位：千ドル） | 投資キャッシュフロー | 前年比（％） |
|---|---|---|
| 2025/5 | -252,900 | +181.9% |
| 2024/5 | -89,700 | -9.9% |
| 2023/5 | -99,600 | +130.6% |
| 2022/5 | -43,200 | -14.5% |
| 2021/5 | -50,500 | -47.2% |
| 2020/5 | -95,700 | -35.0% |
| 2019/5 | -147,300 | -9.1% |
| 2018/5 | -162,000 | +74.6% |
| 2017/5 | -92,800 | +134.9% |
| 2016/5 | -39,500 | -108.9% |
| 2015/5 | 445,300 | -228.8% |
| 2014/5 | -345,700 | +178.8% |
| 2013/5 | -124,000 | +2.2% |
| 2012/5 | -121,300 | -14.0% |
| 2011/5 | -141,100 | - |