| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 3Q20 | 9,500 | -84.2% |
| 2Q20 | 22,455 | -67.3% |
| 1Q20 | 36,978 | -50.2% |
| 4Q19 | 50,130 | -37.6% |
| 3Q19 | 60,044 | -28.6% |
| 2Q19 | 68,612 | -21.5% |
| 1Q19 | 74,298 | -17.3% |
| 4Q18 | 80,348 | -13.8% |
| 3Q18 | 84,054 | -12.2% |
| 2Q18 | 87,440 | -10.9% |
| 1Q18 | 89,850 | -9.6% |
| 4Q17 | 93,182 | -7.8% |
| 3Q17 | 95,756 | -6.2% |
| 2Q17 | 98,116 | -18.9% |
| 1Q17 | 99,409 | -5.1% |
| 4Q16 | 101,099 | -2.8% |
| 3Q16 | 102,116 | -2.8% |
| 2Q16 | 120,966 | +14.2% |
| 1Q16 | 104,743 | +0.5% |
| 4Q15 | 103,988 | -1.0% |
| 3Q15 | 105,004 | +2.0% |
| 2Q15 | 105,927 | +19.4% |
| 1Q15 | 104,184 | +18.1% |
| 4Q14 | 105,011 | +4.3% |
| 3Q14 | 102,942 | +17.9% |
| 2Q14 | 88,700 | +2.3% |
| 1Q14 | 88,207 | +2.7% |
| 4Q13 | 100,691 | +18.2% |
| 3Q13 | 87,319 | -33.2% |
| 2Q13 | 86,687 | -32.0% |
| 1Q13 | 85,873 | - |
| 4Q12 | 85,153 | - |
| 3Q12 | 130,783 | - |
| 2Q12 | 127,438 | - |