| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 3Q21 | -33,352 | +179.7% |
| 2Q21 | -18,704 | +89.9% |
| 1Q21 | -11,985 | -275.3% |
| 4Q20 | -22,814 | +244.8% |
| 3Q20 | -11,926 | -395.9% |
| 2Q20 | -9,847 | -194.2% |
| 1Q20 | 6,835 | -36.6% |
| 4Q19 | -6,616 | -334.4% |
| 3Q19 | 4,031 | -36.7% |
| 2Q19 | 10,449 | -17.9% |
| 1Q19 | 10,777 | +20.5% |
| 4Q18 | 2,823 | -92.6% |
| 3Q18 | 6,371 | -32.5% |
| 2Q18 | 12,721 | -48.7% |
| 1Q18 | 8,947 | -56.2% |
| 4Q17 | 38,030 | +82.0% |
| 3Q17 | 9,444 | -58.0% |
| 2Q17 | 24,813 | -18.8% |
| 1Q17 | 20,449 | -3.2% |
| 4Q16 | 20,893 | +464.1% |
| 3Q16 | 22,494 | +84.0% |
| 2Q16 | 30,560 | +2557.4% |
| 1Q16 | 21,121 | -507.7% |
| 4Q15 | 3,704 | -79.1% |
| 3Q15 | 12,228 | -335.1% |
| 2Q15 | 1,150 | - |
| 1Q15 | -5,180 | - |
| 4Q14 | 17,701 | - |
| 3Q14 | -5,202 | - |