| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 29,478 | +1.1% |
| 3Q25 | 29,410 | -1.5% |
| 2Q25 | 29,048 | -5.3% |
| 1Q25 | 30,259 | -5.1% |
| 4Q24 | 29,145 | -6.1% |
| 3Q24 | 29,873 | -4.2% |
| 2Q24 | 30,685 | -1.0% |
| 1Q24 | 31,875 | +3.3% |
| 4Q23 | 31,054 | +5.1% |
| 3Q23 | 31,194 | +7.8% |
| 2Q23 | 30,994 | +6.8% |
| 1Q23 | 30,850 | +7.4% |
| 4Q22 | 29,535 | +8.1% |
| 3Q22 | 28,944 | +3.7% |
| 2Q22 | 29,019 | +8.0% |
| 1Q22 | 28,724 | +9.7% |
| 4Q21 | 27,316 | +32.0% |
| 3Q21 | 27,916 | +7.9% |
| 2Q21 | 26,878 | +4.2% |
| 1Q21 | 26,184 | - |
| 4Q20 | 20,689 | - |
| 3Q19 | 25,871 | - |
| 2Q19 | 25,802 | - |