| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 13,119 | +0.1% |
| 4Q25 | 12,511 | +11.9% |
| 3Q25 | 13,559 | +15.0% |
| 2Q25 | 11,513 | +3.0% |
| 1Q25 | 13,101 | +6.5% |
| 4Q24 | 11,179 | -2.1% |
| 3Q24 | 11,786 | -5.2% |
| 2Q24 | 11,178 | -11.4% |
| 1Q24 | 12,306 | -7.3% |
| 4Q23 | 11,416 | -6.3% |
| 3Q23 | 12,434 | -1.0% |
| 2Q23 | 12,623 | +11.0% |
| 1Q23 | 13,269 | +3.8% |
| 4Q22 | 12,182 | -35.5% |
| 3Q22 | 12,563 | -24.9% |
| 2Q22 | 11,372 | -32.9% |
| 1Q22 | 12,785 | -24.5% |
| 4Q21 | 18,901 | +21.5% |
| 3Q21 | 16,724 | +21.2% |
| 2Q21 | 16,958 | +14.6% |
| 1Q21 | 16,924 | +14.8% |
| 4Q20 | 15,554 | +18.3% |
| 3Q20 | 13,797 | - |
| 2Q20 | 14,792 | - |
| 1Q20 | 14,748 | - |
| 4Q19 | 13,151 | - |