| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 1Q21 | 800 | +240.4% |
| 4Q20 | 200 | -80.7% |
| 1Q20 | 235 | -86.5% |
| 4Q19 | 1,035 | -16.2% |
| 3Q19 | 1,235 | 0.0% |
| 2Q19 | 2,035 | +64.8% |
| 1Q19 | 1,735 | +40.5% |
| 4Q18 | 1,235 | 0.0% |
| 3Q18 | 1,235 | 0.0% |
| 2Q18 | 1,235 | 0.0% |
| 1Q18 | 1,235 | 0.0% |
| 4Q17 | 1,235 | -82.0% |
| 3Q17 | 1,235 | -95.0% |
| 2Q17 | 1,235 | -95.3% |
| 1Q17 | 1,235 | -97.0% |
| 4Q16 | 6,857 | -83.1% |
| 3Q16 | 24,500 | -40.2% |
| 2Q16 | 26,368 | -48.1% |
| 1Q16 | 40,565 | -20.1% |
| 4Q15 | 40,565 | -19.2% |
| 3Q15 | 40,965 | -17.5% |
| 2Q15 | 50,776 | +4.1% |
| 1Q15 | 50,776 | +0.3% |
| 4Q14 | 50,176 | +2.4% |
| 3Q14 | 49,676 | -1.6% |
| 2Q14 | 48,776 | +0.3% |
| 1Q14 | 50,600 | -0.7% |
| 4Q13 | 49,000 | -0.5% |
| 3Q13 | 50,507 | +6.2% |
| 2Q13 | 48,607 | +3.7% |
| 1Q13 | 50,968 | +9.7% |
| 4Q12 | 49,268 | +8.2% |
| 3Q12 | 47,568 | - |
| 2Q12 | 46,868 | - |
| 1Q12 | 46,468 | - |
| 4Q11 | 45,521 | - |