| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 7,531 | -0.1% |
| 3Q25 | 6,853 | +13.1% |
| 2Q25 | 7,654 | +5.2% |
| 1Q25 | 5,439 | -2.8% |
| 4Q24 | 7,539 | +3.1% |
| 3Q24 | 6,059 | -3.7% |
| 2Q24 | 7,278 | +2.4% |
| 1Q24 | 5,595 | +5.5% |
| 4Q23 | 7,313 | -0.3% |
| 3Q23 | 6,293 | +11.1% |
| 2Q23 | 7,108 | -2.9% |
| 1Q23 | 5,302 | -5.7% |
| 4Q22 | 7,338 | +12.0% |
| 3Q22 | 5,666 | -3.9% |
| 2Q22 | 7,323 | +14.4% |
| 1Q22 | 5,623 | +19.9% |
| 4Q21 | 6,549 | +15.7% |
| 3Q21 | 5,897 | +25.2% |
| 2Q21 | 6,404 | +22.9% |
| 1Q21 | 4,689 | +14.6% |
| 4Q20 | 5,660 | -18.3% |
| 3Q20 | 4,710 | -15.3% |
| 2Q20 | 5,210 | -20.5% |
| 1Q20 | 4,093 | -27.7% |
| 4Q19 | 6,928 | -5.8% |
| 3Q19 | 5,560 | -22.4% |
| 2Q19 | 6,556 | +3.0% |
| 1Q19 | 5,659 | +3.5% |
| 4Q18 | 7,352 | +17.5% |
| 3Q18 | 7,161 | +28.4% |
| 2Q18 | 6,364 | +33.5% |
| 1Q18 | 5,467 | +11.4% |
| 4Q17 | 6,256 | +20.8% |
| 3Q17 | 5,579 | -0.6% |
| 2Q17 | 4,768 | +0.6% |
| 1Q17 | 4,909 | +6.8% |
| 4Q16 | 5,179 | -11.1% |
| 3Q16 | 5,613 | +2.6% |
| 2Q16 | 4,740 | - |
| 1Q16 | 4,598 | - |
| 4Q15 | 5,823 | - |
| 3Q15 | 5,472 | - |