| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 29,377 | -2.1% |
| 2Q26 | 28,368 | -5.2% |
| 1Q26 | 28,100 | -3.5% |
| 4Q25 | 27,834 | +1.0% |
| 3Q25 | 30,006 | -1.8% |
| 2Q25 | 29,920 | +5.3% |
| 1Q25 | 29,130 | +2.4% |
| 4Q24 | 27,561 | -4.9% |
| 3Q24 | 30,549 | +12.4% |
| 2Q24 | 28,419 | +3.9% |
| 1Q24 | 28,450 | -3.2% |
| 4Q23 | 28,992 | +18.3% |
| 3Q23 | 27,172 | +1.9% |
| 2Q23 | 27,360 | +47.2% |
| 1Q23 | 29,381 | +49.4% |
| 4Q22 | 24,515 | +14.5% |
| 3Q22 | 26,672 | +45.4% |
| 2Q22 | 18,586 | +4.2% |
| 1Q22 | 19,661 | -4.0% |
| 4Q21 | 21,417 | +10.6% |
| 3Q21 | 18,341 | -9.3% |
| 2Q21 | 17,837 | -4.2% |
| 1Q21 | 20,483 | +7.2% |
| 4Q20 | 19,373 | -5.1% |
| 3Q20 | 20,227 | -9.0% |
| 2Q20 | 18,611 | -15.1% |
| 1Q20 | 19,105 | -7.5% |
| 4Q19 | 20,406 | -4.8% |
| 3Q19 | 22,231 | +6.4% |
| 2Q19 | 21,911 | +10.2% |
| 1Q19 | 20,644 | +9.8% |
| 4Q18 | 21,432 | +5.1% |
| 3Q18 | 20,899 | +12.6% |
| 2Q18 | 19,880 | +20.6% |
| 1Q18 | 18,809 | +0.8% |
| 4Q17 | 20,401 | +28.0% |
| 3Q17 | 18,565 | +5.1% |
| 2Q17 | 16,482 | +1.3% |
| 1Q17 | 18,656 | +15.5% |
| 4Q16 | 15,941 | - |
| 3Q16 | 17,670 | - |
| 2Q16 | 16,270 | - |
| 1Q16 | 16,157 | - |