| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 3Q21 | 13,848 | -11.6% |
| 2Q21 | 14,303 | -11.3% |
| 1Q21 | 14,757 | -11.0% |
| 4Q20 | 15,212 | -52.5% |
| 3Q20 | 15,667 | -20.8% |
| 2Q20 | 16,121 | -24.8% |
| 1Q20 | 16,576 | -20.9% |
| 4Q19 | 32,028 | -34.3% |
| 3Q19 | 19,785 | -18.8% |
| 2Q19 | 21,435 | -11.8% |
| 1Q19 | 20,958 | -6.0% |
| 4Q18 | 48,769 | -7.3% |
| 3Q18 | 24,374 | +45.8% |
| 2Q18 | 24,292 | -24.1% |
| 1Q18 | 22,300 | -23.5% |
| 4Q17 | 52,593 | +25.3% |
| 3Q17 | 16,721 | -59.9% |
| 2Q17 | 32,023 | -22.9% |
| 1Q17 | 29,156 | -29.4% |
| 4Q16 | 41,957 | -0.4% |
| 3Q16 | 41,734 | -6.5% |
| 2Q16 | 41,510 | +591.8% |
| 1Q16 | 41,287 | - |
| 4Q15 | 42,124 | +40.4% |
| 3Q15 | 44,650 | +495.3% |
| 2Q15 | 6,000 | - |
| 1Q15 | 0 | - |
| 4Q14 | 30,000 | - |
| 3Q14 | 7,500 | - |