| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 2,142 | +2.7% |
| 4Q25 | 2,186 | +0.6% |
| 3Q25 | 2,091 | +3.8% |
| 2Q25 | 1,883 | -5.2% |
| 1Q25 | 2,086 | +1.5% |
| 4Q24 | 2,172 | +5.9% |
| 3Q24 | 2,015 | +7.6% |
| 2Q24 | 1,987 | +16.6% |
| 1Q24 | 2,056 | +20.0% |
| 4Q23 | 2,051 | +14.1% |
| 3Q23 | 1,872 | +10.6% |
| 2Q23 | 1,704 | +9.2% |
| 1Q23 | 1,714 | +3.1% |
| 4Q22 | 1,797 | +16.2% |
| 3Q22 | 1,692 | - |
| 2Q22 | 1,560 | +23.9% |
| 1Q22 | 1,662 | +29.2% |
| 4Q21 | 1,546 | +21.0% |
| 2Q21 | 1,259 | +2.9% |
| 1Q21 | 1,286 | -2.3% |
| 4Q20 | 1,278 | - |
| 3Q20 | 1,292 | - |
| 2Q20 | 1,224 | - |
| 1Q20 | 1,316 | - |