| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 1Q21 | 10,000 | -50.0% |
| 4Q20 | 10,000 | -79.9% |
| 3Q20 | 10,000 | -79.9% |
| 2Q20 | 24,872 | -50.0% |
| 1Q20 | 20,000 | -59.7% |
| 4Q19 | 49,753 | +0.2% |
| 3Q19 | 49,725 | -16.5% |
| 2Q19 | 49,697 | -16.5% |
| 1Q19 | 49,670 | -16.5% |
| 4Q18 | 49,642 | -16.5% |
| 3Q18 | 59,537 | +0.2% |
| 2Q18 | 59,504 | -8.9% |
| 1Q18 | 59,470 | -32.4% |
| 4Q17 | 59,437 | -55.5% |
| 3Q17 | 59,404 | -59.5% |
| 2Q17 | 65,308 | -55.8% |
| 1Q17 | 88,017 | -41.0% |
| 4Q16 | 133,434 | -10.7% |
| 3Q16 | 146,701 | -2.2% |
| 2Q16 | 147,840 | -1.4% |
| 1Q16 | 149,072 | -0.6% |
| 4Q15 | 149,485 | -0.3% |
| 3Q15 | 150,000 | 0.0% |
| 2Q15 | 150,000 | 0.0% |
| 1Q15 | 150,000 | 0.0% |
| 4Q14 | 150,000 | 0.0% |
| 3Q14 | 150,000 | 0.0% |
| 2Q14 | 150,000 | 0.0% |
| 1Q14 | 150,000 | - |
| 4Q13 | 150,000 | - |
| 3Q13 | 150,000 | - |
| 2Q13 | 150,000 | - |