| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,548 | -2.9% |
| 3Q25 | 1,501 | -11.2% |
| 2Q25 | 1,666 | +13.0% |
| 1Q25 | 1,376 | -10.7% |
| 4Q24 | 1,594 | -5.6% |
| 3Q24 | 1,691 | -2.9% |
| 2Q24 | 1,474 | -22.8% |
| 1Q24 | 1,540 | -14.9% |
| 4Q23 | 1,688 | -21.4% |
| 3Q23 | 1,742 | -4.8% |
| 2Q23 | 1,909 | -9.9% |
| 1Q23 | 1,811 | -26.0% |
| 4Q22 | 2,149 | +32.0% |
| 3Q22 | 1,831 | -5.2% |
| 2Q22 | 2,119 | +4.2% |
| 1Q22 | 2,449 | +69.8% |
| 4Q21 | 1,628 | +13.9% |
| 3Q21 | 1,930 | +50.6% |
| 2Q21 | 2,032 | +33.5% |
| 1Q21 | 1,442 | +10.4% |
| 4Q20 | 1,429 | +11.9% |
| 3Q20 | 1,281 | -18.5% |
| 2Q20 | 1,522 | -0.4% |
| 1Q20 | 1,306 | -1.8% |
| 4Q19 | 1,277 | -10.8% |
| 3Q19 | 1,572 | +29.5% |
| 2Q19 | 1,528 | +3.8% |
| 1Q19 | 1,330 | -5.7% |
| 4Q18 | 1,433 | -2.6% |
| 3Q18 | 1,213 | -7.5% |
| 2Q18 | 1,472 | +0.1% |
| 1Q18 | 1,410 | -2.8% |
| 4Q17 | 1,470 | +3.3% |
| 3Q17 | 1,312 | +1.4% |
| 2Q17 | 1,470 | -5.3% |
| 1Q17 | 1,451 | +2.4% |
| 4Q16 | 1,423 | -4.5% |
| 3Q16 | 1,294 | -3.1% |
| 2Q16 | 1,553 | - |
| 1Q16 | 1,418 | - |
| 4Q15 | 1,490 | - |
| 3Q15 | 1,335 | - |