| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,677 | -11.2% |
| 3Q25 | 1,502 | -8.3% |
| 2Q25 | 1,856 | +3.4% |
| 1Q25 | 1,463 | -4.3% |
| 4Q24 | 1,889 | -2.9% |
| 3Q24 | 1,639 | +2.9% |
| 2Q24 | 1,796 | +0.6% |
| 1Q24 | 1,528 | +3.3% |
| 4Q23 | 1,945 | +3.4% |
| 3Q23 | 1,593 | -2.6% |
| 2Q23 | 1,785 | +5.2% |
| 1Q23 | 1,479 | -3.9% |
| 4Q22 | 1,881 | +25.4% |
| 3Q22 | 1,635 | +1.7% |
| 2Q22 | 1,697 | -6.4% |
| 1Q22 | 1,539 | +8.8% |
| 4Q21 | 1,500 | -8.5% |
| 3Q21 | 1,608 | +39.0% |
| 2Q21 | 1,813 | +20.0% |
| 1Q21 | 1,414 | +15.2% |
| 4Q20 | 1,639 | -17.2% |
| 3Q20 | 1,157 | -20.4% |
| 2Q20 | 1,510 | -3.6% |
| 1Q20 | 1,228 | -12.5% |
| 4Q19 | 1,980 | - |
| 3Q19 | 1,453 | - |
| 2Q19 | 1,567 | - |
| 1Q19 | 1,404 | - |