| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 4Q23 | -1,042 | -72.7% |
| 3Q23 | -1,284 | -73.4% |
| 2Q23 | -1,223 | +208.1% |
| 1Q23 | -2,921 | -134.3% |
| 4Q22 | -3,820 | +65.4% |
| 3Q22 | -4,827 | -384.1% |
| 2Q22 | -397 | -97.4% |
| 1Q22 | 8,509 | -134.8% |
| 4Q21 | -2,310 | -93.9% |
| 3Q21 | 1,699 | -103.0% |
| 2Q21 | -15,082 | -78.9% |
| 1Q21 | -24,475 | -68.8% |
| 4Q20 | -38,090 | - |
| 3Q20 | -55,827 | - |
| 2Q20 | -71,460 | - |
| 1Q20 | -78,453 | - |