| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q26 | 30,982 | -1.5% |
| 1Q26 | 29,231 | +1.1% |
| 4Q25 | 31,442 | +19.8% |
| 3Q25 | 32,668 | -5.1% |
| 2Q25 | 34,899 | +21.3% |
| 1Q25 | 28,925 | +13.6% |
| 4Q24 | 26,246 | +36.6% |
| 3Q24 | 34,408 | +40.4% |
| 2Q24 | 28,775 | +15.0% |
| 1Q24 | 25,468 | +38.2% |
| 4Q23 | 19,209 | +2.8% |
| 3Q23 | 24,513 | +14.6% |
| 2Q23 | 25,015 | +19.2% |
| 1Q23 | 18,435 | +9.5% |
| 4Q22 | 18,690 | +13.1% |
| 3Q22 | 21,391 | +2.0% |
| 2Q22 | 20,980 | +8.2% |
| 1Q22 | 16,834 | -5.6% |
| 4Q21 | 16,519 | -7.8% |
| 3Q21 | 20,980 | -4.8% |
| 2Q21 | 19,383 | -12.5% |
| 1Q21 | 17,826 | -6.1% |
| 4Q20 | 17,915 | -2.4% |
| 3Q20 | 22,037 | -1.7% |
| 2Q20 | 22,153 | -3.2% |
| 1Q20 | 18,992 | -2.0% |
| 4Q19 | 18,350 | -2.2% |
| 3Q19 | 22,426 | -1.6% |
| 2Q19 | 22,878 | -1.6% |
| 1Q19 | 19,372 | +4.0% |
| 4Q18 | 18,760 | +0.7% |
| 3Q18 | 22,786 | +4.1% |
| 2Q18 | 23,252 | -0.1% |
| 1Q18 | 18,622 | +2.5% |
| 4Q17 | 18,632 | +18.7% |
| 3Q17 | 21,883 | +17.9% |
| 2Q17 | 23,270 | - |
| 1Q17 | 18,162 | - |
| 4Q16 | 15,695 | - |
| 3Q16 | 18,560 | - |