| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 19,640 | +5.6% |
| 3Q25 | 18,415 | +6.2% |
| 2Q25 | 19,364 | +5.7% |
| 1Q25 | 18,153 | +5.3% |
| 4Q24 | 18,605 | +7.1% |
| 3Q24 | 17,340 | +4.5% |
| 2Q24 | 18,314 | +8.8% |
| 1Q24 | 17,245 | +14.9% |
| 4Q23 | 17,372 | +10.4% |
| 3Q23 | 16,586 | +14.8% |
| 2Q23 | 16,831 | +16.0% |
| 1Q23 | 15,005 | +8.9% |
| 4Q22 | 15,739 | +5.7% |
| 3Q22 | 14,452 | +3.2% |
| 2Q22 | 14,508 | +9.5% |
| 1Q22 | 13,784 | +108.0% |
| 4Q21 | 14,891 | -5.4% |
| 3Q21 | 14,006 | -10.9% |
| 2Q21 | 13,253 | -22.4% |
| 1Q21 | 6,627 | -59.2% |
| 4Q20 | 15,736 | -5.0% |
| 3Q20 | 15,727 | +2.0% |
| 2Q20 | 17,068 | +3.2% |
| 1Q20 | 16,234 | +3.3% |
| 4Q19 | 16,564 | +4.7% |
| 3Q19 | 15,422 | +4.2% |
| 2Q19 | 16,538 | +2.0% |
| 1Q19 | 15,715 | +8.1% |
| 4Q18 | 15,815 | +6.9% |
| 3Q18 | 14,803 | +8.4% |
| 2Q18 | 16,207 | +9.1% |
| 1Q18 | 14,539 | +5.4% |
| 4Q17 | 14,790 | +4.8% |
| 3Q17 | 13,650 | +1.8% |
| 2Q17 | 14,849 | - |
| 1Q17 | 13,793 | - |
| 4Q16 | 14,117 | - |
| 3Q16 | 13,405 | - |