| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 3,123 | +4.8% |
| 2Q26 | 2,720 | +1.9% |
| 1Q26 | 2,584 | -4.3% |
| 4Q25 | 2,915 | -4.1% |
| 3Q25 | 2,980 | -4.3% |
| 2Q25 | 2,668 | -6.8% |
| 1Q25 | 2,700 | -5.1% |
| 4Q24 | 3,039 | -1.9% |
| 3Q24 | 3,112 | -7.4% |
| 2Q24 | 2,862 | -4.9% |
| 1Q24 | 2,846 | -1.7% |
| 4Q23 | 3,097 | -5.2% |
| 3Q23 | 3,360 | -2.3% |
| 2Q23 | 3,010 | -7.3% |
| 1Q23 | 2,896 | -11.2% |
| 4Q22 | 3,268 | -10.7% |
| 3Q22 | 3,438 | -10.7% |
| 2Q22 | 3,247 | -5.4% |
| 1Q22 | 3,262 | -8.6% |
| 4Q21 | 3,659 | +0.7% |
| 3Q21 | 3,851 | +6.2% |
| 2Q21 | 3,434 | +3.9% |
| 1Q21 | 3,567 | +9.2% |
| 4Q20 | 3,635 | 0.0% |
| 3Q20 | 3,627 | -3.5% |
| 2Q20 | 3,306 | -4.5% |
| 1Q20 | 3,267 | -3.8% |
| 4Q19 | 3,634 | -1.0% |
| 3Q19 | 3,760 | -6.9% |
| 2Q19 | 3,460 | -5.6% |
| 1Q19 | 3,397 | -6.4% |
| 4Q18 | 3,669 | -4.2% |
| 3Q18 | 4,039 | -5.8% |
| 2Q18 | 3,666 | -2.6% |
| 1Q18 | 3,630 | -2.6% |
| 4Q17 | 3,829 | -7.8% |
| 3Q17 | 4,286 | -0.4% |
| 2Q17 | 3,762 | - |
| 1Q17 | 3,728 | - |
| 4Q16 | 4,152 | - |
| 3Q16 | 4,302 | - |