| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 1Q21 | -117,000 | +1144.7% |
| 4Q20 | -105,300 | +515.8% |
| 3Q20 | -66,600 | -418.7% |
| 2Q20 | -19,400 | -137.4% |
| 1Q20 | -9,400 | -111.2% |
| 4Q19 | -17,100 | -120.2% |
| 3Q19 | 20,900 | -84.2% |
| 2Q19 | 51,900 | -67.1% |
| 1Q19 | 84,300 | -37.8% |
| 4Q18 | 84,500 | -34.1% |
| 3Q18 | 132,500 | -19.1% |
| 2Q18 | 157,800 | -21.2% |
| 1Q18 | 135,500 | -30.0% |
| 4Q17 | 128,200 | -23.2% |
| 3Q17 | 163,800 | -779.7% |
| 2Q17 | 200,300 | +24937.5% |
| 1Q17 | 193,600 | +524.5% |
| 4Q16 | 166,900 | -1752.5% |
| 3Q16 | -24,100 | +315.5% |
| 2Q16 | 800 | -98.8% |
| 1Q16 | 31,000 | -64.6% |
| 4Q15 | -10,100 | -110.8% |
| 3Q15 | -5,800 | -129.4% |
| 2Q15 | 69,200 | +64.4% |
| 1Q15 | 87,500 | +99.8% |
| 4Q14 | 93,100 | +52.1% |
| 3Q14 | 19,700 | -39.8% |
| 2Q14 | 42,100 | -261.9% |
| 1Q14 | 43,800 | -491.1% |
| 4Q13 | 61,200 | +2348.0% |
| 3Q13 | 32,700 | -132.8% |
| 2Q13 | -26,000 | -63.1% |
| 1Q13 | -11,200 | -81.3% |
| 4Q12 | 2,500 | -105.4% |
| 3Q12 | -99,600 | +112.4% |
| 2Q12 | -70,500 | +0.1% |
| 1Q12 | -60,000 | - |
| 4Q11 | -46,000 | - |
| 3Q11 | -46,900 | - |
| 2Q11 | -70,400 | - |