| （単位：千ドル） | 純有利子負債 | 前年比（％） |
|---|---|---|
| 1Q21 | 938,978 | -4.9% |
| 4Q20 | 936,935 | -3.5% |
| 3Q20 | 994,346 | +3.2% |
| 2Q20 | 990,750 | +2.1% |
| 1Q20 | 987,365 | +1.3% |
| 4Q19 | 971,139 | +0.2% |
| 3Q19 | 963,783 | +1.7% |
| 2Q19 | 970,659 | +8.6% |
| 1Q19 | 974,768 | +9.9% |
| 4Q18 | 969,443 | +26.2% |
| 3Q18 | 947,328 | +31.3% |
| 2Q18 | 893,825 | +17.9% |
| 1Q18 | 887,242 | +17.4% |
| 4Q17 | 768,457 | +6.3% |
| 3Q17 | 721,497 | -15.3% |
| 2Q17 | 758,250 | -11.0% |
| 1Q17 | 755,630 | - |
| 4Q16 | 722,925 | - |
| 3Q16 | 851,334 | - |
| 2Q16 | 852,237 | - |