| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 1Q21 | 0 | -100.0% |
| 4Q20 | 0 | -100.0% |
| 3Q20 | 0 | -100.0% |
| 2Q20 | 38,800 | -75.4% |
| 1Q20 | 58,700 | -71.8% |
| 4Q19 | 58,600 | -71.8% |
| 3Q19 | 131,200 | -41.4% |
| 2Q19 | 158,000 | -29.4% |
| 1Q19 | 207,800 | -2.7% |
| 4Q18 | 207,600 | -4.9% |
| 3Q18 | 223,900 | -2.4% |
| 2Q18 | 223,800 | -10.2% |
| 1Q18 | 213,600 | -10.6% |
| 4Q17 | 218,400 | -18.8% |
| 3Q17 | 229,300 | +60.3% |
| 2Q17 | 249,100 | +61.8% |
| 1Q17 | 239,000 | +63.7% |
| 4Q16 | 268,800 | +104.3% |
| 3Q16 | 143,000 | +12.6% |
| 2Q16 | 154,000 | +10.8% |
| 1Q16 | 146,000 | +4.9% |
| 4Q15 | 131,600 | -5.6% |
| 3Q15 | 127,000 | +10.4% |
| 2Q15 | 139,000 | -0.4% |
| 1Q15 | 139,200 | -0.4% |
| 4Q14 | 139,400 | -5.8% |
| 3Q14 | 115,000 | +23.7% |
| 2Q14 | 139,500 | +322.7% |
| 1Q14 | 139,700 | +277.6% |
| 4Q13 | 148,000 | +393.3% |
| 3Q13 | 93,000 | +173.5% |
| 2Q13 | 33,000 | -17.5% |
| 1Q13 | 37,000 | +2.8% |
| 4Q12 | 30,000 | -14.3% |
| 3Q12 | 34,000 | -62.2% |
| 2Q12 | 40,000 | +21.2% |
| 1Q12 | 36,000 | - |
| 4Q11 | 35,000 | - |
| 3Q11 | 90,000 | - |
| 2Q11 | 33,000 | - |