| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 4Q20 | 305,676 | +1576.9% |
| 3Q20 | 297,985 | +1546.1% |
| 2Q20 | 297,765 | +1196.0% |
| 1Q20 | 298,355 | +415.7% |
| 4Q19 | 18,229 | -51.7% |
| 3Q19 | 18,103 | +2.7% |
| 2Q19 | 22,976 | -5.7% |
| 1Q19 | 57,850 | +132.6% |
| 4Q18 | 37,753 | +48.9% |
| 3Q18 | 17,625 | -31.8% |
| 2Q18 | 24,377 | -7.4% |
| 1Q18 | 24,867 | -7.3% |
| 4Q17 | 25,357 | -7.2% |
| 3Q17 | 25,846 | -7.0% |
| 2Q17 | 26,336 | -6.9% |
| 1Q17 | 26,826 | -6.8% |
| 4Q16 | 27,316 | - |
| 3Q16 | 27,806 | - |
| 2Q16 | 28,296 | - |
| 1Q16 | 28,786 | - |