| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 1Q23 | 75,000 | 0.0% |
| 4Q22 | 75,000 | -50.0% |
| 3Q22 | 75,000 | -50.0% |
| 2Q22 | 75,000 | -50.0% |
| 1Q22 | 75,000 | -50.0% |
| 4Q21 | 150,000 | 0.0% |
| 3Q21 | 150,000 | -45.5% |
| 2Q21 | 150,000 | -62.5% |
| 1Q21 | 150,000 | -62.5% |
| 4Q20 | 150,000 | -8.7% |
| 3Q20 | 275,000 | +43.2% |
| 2Q20 | 400,000 | +57.4% |
| 1Q20 | 400,000 | +60.8% |
| 4Q19 | 164,298 | -38.3% |
| 3Q19 | 192,101 | -27.9% |
| 2Q19 | 254,081 | -14.5% |
| 1Q19 | 248,738 | -12.8% |
| 4Q18 | 266,391 | +17.9% |
| 3Q18 | 266,424 | -11.2% |
| 2Q18 | 297,295 | -4.4% |
| 1Q18 | 285,195 | -24.5% |
| 4Q17 | 226,035 | -26.1% |
| 3Q17 | 300,000 | -15.7% |
| 2Q17 | 311,015 | -27.6% |
| 1Q17 | 377,655 | -17.5% |
| 4Q16 | 305,685 | -22.2% |
| 3Q16 | 355,780 | -5.1% |
| 2Q16 | 429,495 | +43.0% |
| 1Q16 | 457,670 | -40.3% |
| 4Q15 | 392,695 | -36.1% |
| 3Q15 | 375,000 | -26.3% |
| 2Q15 | 300,410 | -42.5% |
| 1Q15 | 767,040 | +52.5% |
| 4Q14 | 615,000 | +50.6% |
| 3Q14 | 508,750 | +25.8% |
| 2Q14 | 522,760 | +12.2% |
| 1Q14 | 503,010 | -3.5% |
| 4Q13 | 408,370 | -26.6% |
| 3Q13 | 404,315 | -31.4% |
| 2Q13 | 465,790 | -25.7% |
| 1Q13 | 520,990 | +73.7% |
| 4Q12 | 556,480 | +85.5% |
| 3Q12 | 589,620 | +96.5% |
| 2Q12 | 627,180 | +318.1% |
| 1Q12 | 300,000 | +100.0% |
| 4Q11 | 300,000 | +327.0% |
| 3Q11 | 300,000 | +233.3% |
| 2Q11 | 150,000 | +87.5% |
| 1Q11 | 150,000 | - |
| 4Q10 | 70,255 | - |
| 3Q10 | 90,000 | - |
| 2Q10 | 80,000 | - |