| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 7,431 | -5.3% |
| 2Q26 | 8,291 | -0.2% |
| 1Q26 | 8,545 | +16.6% |
| 4Q25 | 6,605 | -16.8% |
| 3Q25 | 7,845 | -0.6% |
| 2Q25 | 8,308 | +2.3% |
| 1Q25 | 7,331 | +0.9% |
| 4Q24 | 7,936 | +3.9% |
| 3Q24 | 7,896 | -1.3% |
| 2Q24 | 8,122 | -5.2% |
| 1Q24 | 7,268 | -4.0% |
| 4Q23 | 7,635 | +6.4% |
| 3Q23 | 7,996 | +19.5% |
| 2Q23 | 8,565 | +21.8% |
| 1Q23 | 7,568 | +3.3% |
| 4Q22 | 7,175 | -4.9% |
| 3Q22 | 6,694 | +2.2% |
| 2Q22 | 7,033 | +11.0% |
| 1Q22 | 7,327 | +15.0% |
| 4Q21 | 7,542 | +6.5% |
| 3Q21 | 6,550 | -9.3% |
| 2Q21 | 6,337 | -16.2% |
| 1Q21 | 6,370 | -3.4% |
| 4Q20 | 7,084 | -0.6% |
| 3Q20 | 7,221 | -0.4% |
| 2Q20 | 7,559 | +6.3% |
| 1Q20 | 6,593 | +0.1% |
| 4Q19 | 7,125 | +4.9% |
| 3Q19 | 7,251 | +0.5% |
| 2Q19 | 7,111 | +1.1% |
| 1Q19 | 6,586 | -0.9% |
| 4Q18 | 6,791 | +10.0% |
| 3Q18 | 7,218 | +16.9% |
| 2Q18 | 7,031 | +0.7% |
| 1Q18 | 6,647 | +15.3% |
| 4Q17 | 6,174 | -5.7% |
| 3Q17 | 6,172 | -11.5% |
| 2Q17 | 6,979 | - |
| 1Q17 | 5,766 | - |
| 4Q16 | 6,549 | - |
| 3Q16 | 6,974 | - |