| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,251 | -1.2% |
| 3Q25 | 2,356 | +14.6% |
| 2Q25 | 2,232 | +15.7% |
| 1Q25 | 2,363 | +17.1% |
| 4Q24 | 2,279 | +1.2% |
| 3Q24 | 2,056 | -12.4% |
| 2Q24 | 1,929 | -22.4% |
| 1Q24 | 2,018 | -16.5% |
| 4Q23 | 2,252 | -7.3% |
| 3Q23 | 2,347 | +8.2% |
| 2Q23 | 2,486 | +25.4% |
| 1Q23 | 2,417 | -1.3% |
| 4Q22 | 2,430 | -9.0% |
| 3Q22 | 2,169 | +8.8% |
| 2Q22 | 1,982 | -9.9% |
| 1Q22 | 2,449 | +14.8% |
| 4Q21 | 2,669 | +36.2% |
| 3Q21 | 1,993 | -7.0% |
| 2Q21 | 2,199 | +10.3% |
| 1Q21 | 2,134 | +10.2% |
| 4Q20 | 1,959 | -6.7% |
| 3Q20 | 2,142 | +30.4% |
| 2Q20 | 1,993 | +27.9% |
| 1Q20 | 1,937 | -1.7% |
| 4Q19 | 2,099 | +24.1% |
| 3Q19 | 1,642 | - |
| 2Q19 | 1,558 | - |
| 1Q19 | 1,970 | - |
| 4Q18 | 1,691 | - |