| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,552 | -3.7% |
| 3Q25 | 1,601 | -5.8% |
| 2Q25 | 1,757 | +0.1% |
| 1Q25 | 1,672 | -11.8% |
| 4Q24 | 1,612 | -8.7% |
| 3Q24 | 1,699 | -6.7% |
| 2Q24 | 1,756 | -14.8% |
| 1Q24 | 1,896 | -10.6% |
| 4Q23 | 1,765 | -16.9% |
| 3Q23 | 1,820 | -19.3% |
| 2Q23 | 2,060 | -14.4% |
| 1Q23 | 2,122 | +7.3% |
| 4Q22 | 2,125 | -24.3% |
| 3Q22 | 2,255 | -33.4% |
| 2Q22 | 2,406 | -34.3% |
| 1Q22 | 1,977 | -42.9% |
| 4Q21 | 2,806 | -31.9% |
| 3Q21 | 3,384 | -21.4% |
| 2Q21 | 3,662 | -20.4% |
| 1Q21 | 3,461 | -21.7% |
| 4Q20 | 4,118 | -4.9% |
| 3Q20 | 4,308 | -3.5% |
| 2Q20 | 4,598 | -2.9% |
| 1Q20 | 4,422 | -2.4% |
| 4Q19 | 4,329 | -7.8% |
| 3Q19 | 4,465 | -8.9% |
| 2Q19 | 4,736 | -9.5% |
| 1Q19 | 4,531 | -10.5% |
| 4Q18 | 4,698 | -7.8% |
| 3Q18 | 4,899 | -12.3% |
| 2Q18 | 5,235 | -17.1% |
| 1Q18 | 5,064 | -18.7% |
| 4Q17 | 5,096 | -21.7% |
| 3Q17 | 5,584 | -16.8% |
| 2Q17 | 6,316 | - |
| 1Q17 | 6,226 | - |
| 4Q16 | 6,513 | - |
| 3Q16 | 6,711 | - |