| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 10,314 | +2.0% |
| 3Q25 | 9,563 | +0.7% |
| 2Q25 | 10,299 | +2.6% |
| 1Q25 | 9,502 | -0.3% |
| 4Q24 | 10,109 | -3.1% |
| 3Q24 | 9,496 | -0.0% |
| 2Q24 | 10,034 | +3.4% |
| 1Q24 | 9,535 | +3.5% |
| 4Q23 | 10,428 | -16.3% |
| 3Q23 | 9,498 | -41.7% |
| 2Q23 | 9,709 | -19.0% |
| 1Q23 | 9,208 | -22.4% |
| 4Q22 | 12,463 | -13.1% |
| 3Q22 | 16,304 | +35.5% |
| 2Q22 | 11,988 | -6.0% |
| 1Q22 | 11,863 | -0.0% |
| 4Q21 | 14,347 | -0.3% |
| 3Q21 | 12,029 | -2.1% |
| 2Q21 | 12,750 | -1.8% |
| 1Q21 | 11,864 | -6.7% |
| 4Q20 | 14,395 | +8.2% |
| 3Q20 | 12,281 | -3.5% |
| 2Q20 | 12,990 | -6.0% |
| 1Q20 | 12,714 | -3.1% |
| 4Q19 | 13,305 | -3.7% |
| 3Q19 | 12,723 | -1.1% |
| 2Q19 | 13,822 | +0.2% |
| 1Q19 | 13,122 | -3.1% |
| 4Q18 | 13,816 | -2.1% |
| 3Q18 | 12,867 | -1.5% |
| 2Q18 | 13,791 | +0.2% |
| 1Q18 | 13,538 | +2.0% |
| 4Q17 | 14,108 | +4.0% |
| 3Q17 | 13,065 | +3.3% |
| 2Q17 | 13,764 | - |
| 1Q17 | 13,273 | - |
| 4Q16 | 13,567 | - |
| 3Q16 | 12,650 | - |