| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 1Q22 | -7,199 | -50.1% |
| 4Q21 | -9,294 | +223.6% |
| 3Q21 | -11,034 | +475.6% |
| 2Q21 | -13,062 | +235.8% |
| 1Q21 | -14,424 | +1026.9% |
| 4Q20 | -2,872 | +71.4% |
| 3Q20 | -1,917 | -47.5% |
| 2Q20 | -3,890 | +73.3% |
| 1Q20 | -1,280 | -49.1% |
| 4Q19 | -1,676 | -62.3% |
| 3Q19 | -3,649 | -18.8% |
| 2Q19 | -2,245 | +46.1% |
| 1Q19 | -2,517 | -10587.5% |
| 4Q18 | -4,440 | +233.1% |
| 3Q19 | -4,495 | +7150.0% |
| 2Q18 | -1,537 | -24.4% |
| 1Q18 | 24 | -100.5% |
| 4Q17 | -1,333 | - |
| 3Q17 | -62 | - |
| 2Q17 | -2,032 | - |
| 1Q17 | -5,222 | - |