| （単位：千ドル） | 投資キャッシュフロー | 前年比（％） |
|---|---|---|
| 4Q21 | 6 | -100.9% |
| 3Q21 | -61 | -67.0% |
| 2Q21 | -169 | +351.6% |
| 1Q21 | -45 | -1.8% |
| 4Q20 | -752 | +45.5% |
| 3Q20 | -183 | -110.4% |
| 2Q20 | -38 | -97.3% |
| 1Q20 | -46 | -98.3% |
| 4Q19 | -517 | -108.0% |
| 3Q19 | 1,761 | -1894.4% |
| 2Q19 | -1,383 | +852.7% |
| 1Q19 | -2,743 | +2806.2% |
| 4Q18 | 6,419 | -809.5% |
| 3Q18 | -99 | - |
| 2Q18 | -146 | +256.6% |
| 1Q18 | -95 | -91.1% |
| 4Q17 | -905 | +20841.3% |
| 2Q17 | -41 | +1952.1% |
| 1Q17 | -1,059 | +57391.2% |
| 4Q16 | -5 | -104.7% |
| 3Q16 | 0 | - |
| 2Q16 | -2 | - |
| 1Q16 | -2 | - |
| 4Q15 | 92 | - |