| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 16,332 | -1.0% |
| 3Q25 | 15,448 | -3.3% |
| 2Q25 | 15,520 | -5.9% |
| 1Q25 | 16,417 | +2.5% |
| 4Q24 | 16,505 | -9.4% |
| 3Q24 | 15,968 | +0.2% |
| 2Q24 | 16,492 | +9.2% |
| 1Q24 | 16,015 | +11.3% |
| 4Q23 | 18,227 | +24.4% |
| 3Q23 | 15,932 | +12.6% |
| 2Q23 | 15,108 | +15.0% |
| 1Q23 | 14,395 | +16.4% |
| 4Q22 | 14,649 | +29.3% |
| 3Q22 | 14,149 | +33.4% |
| 2Q22 | 13,135 | +28.7% |
| 1Q22 | 12,367 | +25.2% |
| 4Q21 | 11,327 | +22.6% |
| 3Q21 | 10,606 | -18.0% |
| 2Q21 | 10,209 | +32.7% |
| 1Q21 | 9,875 | +19.1% |
| 4Q20 | 9,236 | +8.0% |
| 3Q20 | 12,941 | +58.3% |
| 2Q20 | 7,695 | -3.3% |
| 1Q20 | 8,294 | +9.0% |
| 4Q19 | 8,553 | -9.7% |
| 3Q19 | 8,177 | -1.4% |
| 2Q19 | 7,957 | +2.4% |
| 1Q19 | 7,612 | +5.8% |
| 4Q18 | 9,476 | +16.7% |
| 3Q18 | 8,290 | +25.2% |
| 2Q18 | 7,768 | +31.8% |
| 1Q18 | 7,194 | -4.1% |
| 4Q17 | 8,121 | +19.2% |
| 3Q17 | 6,622 | +22.9% |
| 2Q17 | 5,892 | +1.7% |
| 1Q17 | 7,503 | +48.7% |
| 4Q16 | 6,815 | +22.7% |
| 3Q16 | 5,387 | - |
| 2Q16 | 5,793 | - |
| 1Q16 | 5,045 | - |
| 4Q15 | 5,553 | - |