| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q26 | 1,136 | +30.8% |
| 3Q26 | 864 | +28.1% |
| 2Q26 | 863 | +14.7% |
| 1Q26 | 752 | +16.2% |
| 4Q25 | 868 | +34.8% |
| 3Q25 | 674 | -0.4% |
| 2Q25 | 753 | -9.0% |
| 1Q25 | 647 | -4.7% |
| 4Q24 | 644 | +2.7% |
| 3Q24 | 677 | +3.8% |
| 2Q24 | 828 | +58.9% |
| 1Q24 | 679 | +10.8% |
| 4Q23 | 627 | +12.6% |
| 3Q23 | 651 | +25.5% |
| 2Q23 | 521 | -9.9% |
| 1Q23 | 613 | +20.2% |
| 4Q22 | 556 | -22.1% |
| 3Q22 | 519 | -17.9% |
| 2Q22 | 578 | +37.7% |
| 1Q22 | 510 | +6.5% |
| 4Q21 | 714 | -27.4% |
| 3Q21 | 632 | +48.9% |
| 2Q21 | 420 | -10.0% |
| 1Q21 | 479 | -2.6% |
| 4Q20 | 984 | +73.5% |
| 3Q20 | 424 | +14.3% |
| 2Q20 | 467 | +0.6% |
| 1Q20 | 492 | +18.8% |
| 4Q19 | 567 | +36.4% |
| 3Q19 | 371 | -12.4% |
| 2Q19 | 464 | +3.8% |
| 1Q19 | 414 | +14.9% |
| 4Q18 | 415 | +1.2% |
| 3Q18 | 424 | -5.5% |
| 2Q18 | 447 | -6.0% |
| 1Q18 | 360 | -5.9% |
| 4Q17 | 411 | -11.7% |
| 3Q17 | 449 | -2.6% |
| 2Q17 | 476 | - |
| 1Q17 | 383 | - |
| 4Q16 | 465 | - |
| 3Q16 | 461 | - |