| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 4Q22 | 5,956 | -20.5% |
| 3Q22 | 6,470 | -5.3% |
| 2Q22 | 6,698 | -4.6% |
| 1Q22 | 7,363 | -5.5% |
| 4Q21 | 7,496 | -6.2% |
| 3Q21 | 6,830 | -7.4% |
| 2Q21 | 7,018 | +0.6% |
| 1Q21 | 7,794 | +43.4% |
| 4Q20 | 7,994 | +33.8% |
| 3Q20 | 7,379 | +95.0% |
| 2Q20 | 6,975 | +76.5% |
| 1Q20 | 5,435 | +31.6% |
| 4Q19 | 5,974 | +6.9% |
| 3Q19 | 3,785 | -22.6% |
| 2Q19 | 3,952 | -24.8% |
| 1Q19 | 4,130 | -34.4% |
| 4Q18 | 5,591 | -28.4% |
| 3Q18 | 4,891 | -28.7% |
| 2Q18 | 5,255 | -19.9% |
| 1Q18 | 6,298 | +6.2% |
| 4Q17 | 7,810 | +55.1% |
| 3Q17 | 6,857 | +25.4% |
| 2Q17 | 6,564 | +31.5% |
| 1Q17 | 5,931 | +17.7% |
| 4Q16 | 5,037 | +0.4% |
| 3Q16 | 5,466 | -9.9% |
| 2Q16 | 4,993 | -26.0% |
| 1Q16 | 5,041 | -24.7% |
| 4Q15 | 5,018 | -29.8% |
| 3Q15 | 6,065 | -22.9% |
| 2Q15 | 6,746 | +11.2% |
| 1Q15 | 6,691 | +6.0% |
| 4Q14 | 7,146 | +74.4% |
| 3Q14 | 7,870 | +91.4% |
| 2Q14 | 6,064 | +43.9% |
| 1Q14 | 6,314 | - |
| 4Q13 | 4,098 | - |
| 3Q13 | 4,111 | - |
| 2Q13 | 4,215 | - |
| 1Q12 | 3,663 | - |
| 4Q11 | 3,583 | - |
| 3Q11 | 3,461 | - |
| 2Q11 | 3,301 | - |