| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 4Q20 | 153,882 | +548.9% |
| 3Q20 | 22,772 | -5.2% |
| 2Q20 | 23,094 | -5.1% |
| 1Q20 | 23,404 | -5.0% |
| 4Q19 | 23,714 | -5.0% |
| 3Q19 | 24,025 | -3.1% |
| 2Q19 | 24,335 | -10.7% |
| 1Q19 | 24,645 | -17.2% |
| 4Q18 | 24,955 | -22.6% |
| 3Q18 | 24,786 | -28.6% |
| 2Q18 | 27,258 | -24.1% |
| 1Q18 | 29,755 | -20.0% |
| 4Q17 | 32,227 | -16.2% |
| 3Q17 | 34,699 | -30.1% |
| 2Q17 | 35,921 | -27.6% |
| 1Q17 | 37,216 | - |
| 4Q16 | 38,443 | - |
| 3Q16 | 49,669 | - |
| 2Q16 | 49,646 | - |