| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,897 | -5.7% |
| 3Q25 | 2,978 | -2.9% |
| 2Q25 | 3,038 | -7.7% |
| 1Q25 | 3,402 | -11.2% |
| 4Q24 | 3,072 | -16.1% |
| 3Q24 | 3,066 | -24.2% |
| 2Q24 | 3,292 | -26.1% |
| 1Q24 | 3,832 | -16.8% |
| 4Q23 | 3,663 | -13.7% |
| 3Q23 | 4,045 | -7.1% |
| 2Q23 | 4,455 | +0.9% |
| 1Q23 | 4,606 | +6.4% |
| 4Q22 | 4,244 | +0.5% |
| 3Q22 | 4,352 | +10.4% |
| 2Q22 | 4,416 | +17.7% |
| 1Q22 | 4,329 | +11.1% |
| 4Q21 | 4,221 | +16.1% |
| 3Q21 | 3,942 | +8.4% |
| 2Q21 | 3,753 | -12.2% |
| 1Q21 | 3,897 | -15.6% |
| 4Q20 | 3,636 | -18.3% |
| 3Q20 | 3,637 | -14.6% |
| 2Q20 | 4,273 | -6.8% |
| 1Q20 | 4,617 | +2.5% |
| 4Q19 | 4,450 | - |
| 3Q19 | 4,258 | - |
| 2Q19 | 4,583 | - |
| 1Q19 | 4,504 | - |