| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 2,229 | +5.5% |
| 3Q25 | 2,117 | +0.5% |
| 2Q25 | 2,073 | -8.3% |
| 1Q25 | 2,111 | -11.4% |
| 4Q24 | 2,077 | -23.3% |
| 3Q24 | 2,106 | -22.9% |
| 2Q24 | 2,262 | -19.6% |
| 1Q24 | 2,384 | -4.9% |
| 4Q23 | 2,708 | +7.0% |
| 3Q23 | 2,731 | +18.5% |
| 2Q23 | 2,814 | +36.6% |
| 1Q23 | 2,506 | +27.8% |
| 4Q22 | 2,532 | +28.6% |
| 3Q22 | 2,305 | +36.7% |
| 2Q22 | 2,060 | +54.9% |
| 1Q22 | 1,960 | +33.7% |
| 4Q21 | 1,969 | +31.5% |
| 3Q21 | 1,686 | +10.6% |
| 2Q21 | 1,330 | -18.8% |
| 1Q21 | 1,466 | -22.3% |
| 4Q20 | 1,497 | -22.6% |
| 3Q20 | 1,525 | -23.6% |
| 2Q20 | 1,639 | -15.6% |
| 1Q20 | 1,885 | -6.9% |
| 4Q19 | 1,933 | -1.4% |
| 3Q19 | 1,994 | +8.6% |
| 2Q19 | 1,941 | +13.2% |
| 1Q19 | 2,024 | +17.2% |
| 4Q18 | 1,960 | +16.0% |
| 3Q18 | 1,836 | +27.6% |
| 2Q18 | 1,715 | +28.1% |
| 1Q18 | 1,728 | +39.8% |
| 4Q17 | 1,690 | +35.1% |
| 3Q17 | 1,439 | +20.1% |
| 2Q17 | 1,339 | +10.5% |
| 1Q17 | 1,235 | -7.6% |
| 4Q16 | 1,251 | - |
| 3Q16 | 1,198 | - |
| 2Q16 | 1,212 | - |
| 1Q16 | 1,338 | - |