| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 7,729 | +0.7% |
| 3Q25 | 7,489 | -4.1% |
| 2Q25 | 8,328 | -1.4% |
| 1Q25 | 8,485 | +0.2% |
| 4Q24 | 7,677 | -6.4% |
| 3Q24 | 7,805 | -7.9% |
| 2Q24 | 8,445 | +1.4% |
| 1Q24 | 8,469 | -4.4% |
| 4Q23 | 8,203 | -6.6% |
| 3Q23 | 8,477 | - |
| 2Q22 | 8,329 | -6.0% |
| 1Q23 | 8,856 | -2.5% |
| 4Q22 | 8,785 | +1.5% |
| 2Q21 | 8,858 | -11.4% |
| 1Q22 | 9,083 | -2.9% |
| 4Q21 | 8,656 | +6.1% |
| 3Q21 | 9,367 | +18.8% |
| 2Q20 | 9,995 | +13.6% |
| 1Q21 | 9,358 | +5.9% |
| 4Q20 | 8,162 | +0.3% |
| 3Q20 | 7,886 | -6.9% |
| 1Q20 | 8,840 | -1.5% |
| 4Q19 | 8,135 | +6.0% |
| 3Q19 | 8,469 | +2.6% |
| 2Q19 | 8,800 | -1.9% |
| 1Q19 | 8,975 | +3.9% |
| 4Q18 | 7,674 | +1.1% |
| 3Q18 | 8,255 | +1.2% |
| 2Q18 | 8,967 | +1.3% |
| 1Q18 | 8,638 | -1.7% |
| 4Q17 | 7,590 | +1.5% |
| 3Q17 | 8,159 | - |
| 2Q17 | 8,855 | - |
| 1Q17 | 8,784 | - |
| 4Q16 | 7,476 | - |