| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 10,897 | -0.0% |
| 3Q25 | 8,478 | -5.3% |
| 2Q25 | 8,151 | +4.9% |
| 1Q25 | 8,614 | +6.3% |
| 4Q24 | 10,900 | +4.7% |
| 3Q24 | 8,956 | +5.1% |
| 2Q24 | 7,768 | -6.5% |
| 1Q24 | 8,105 | -13.8% |
| 4Q23 | 10,411 | -2.7% |
| 3Q23 | 8,525 | -4.8% |
| 2Q23 | 8,305 | -7.6% |
| 1Q23 | 9,404 | +2.1% |
| 4Q22 | 10,701 | +16.0% |
| 3Q22 | 8,953 | +9.6% |
| 2Q22 | 8,990 | +16.2% |
| 1Q22 | 9,214 | +7.1% |
| 4Q21 | 9,226 | -5.3% |
| 3Q21 | 8,168 | +7.6% |
| 2Q21 | 7,738 | +12.4% |
| 1Q21 | 8,606 | +7.9% |
| 4Q20 | 9,743 | +0.9% |
| 3Q20 | 7,591 | -11.7% |
| 2Q20 | 6,882 | -3.5% |
| 1Q20 | 7,976 | -3.8% |
| 4Q19 | 9,657 | -4.6% |
| 3Q19 | 8,599 | +3.9% |
| 2Q19 | 7,130 | -5.0% |
| 1Q19 | 8,287 | -2.0% |
| 4Q18 | 10,119 | +6.3% |
| 3Q18 | 8,280 | +9.5% |
| 2Q18 | 7,505 | +13.3% |
| 1Q18 | 8,454 | +8.9% |
| 4Q17 | 9,516 | +5.8% |
| 3Q17 | 7,564 | +0.8% |
| 2Q17 | 6,622 | +0.7% |
| 1Q17 | 7,762 | -2.8% |
| 4Q16 | 8,992 | -2.0% |
| 3Q16 | 7,503 | - |
| 2Q16 | 6,573 | - |
| 1Q16 | 7,987 | - |
| 4Q15 | 9,178 | - |