| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 3,064 | -7.6% |
| 4Q25 | 2,994 | -6.9% |
| 3Q25 | 3,310 | -6.2% |
| 2Q25 | 3,545 | +3.0% |
| 1Q25 | 3,316 | -1.8% |
| 4Q24 | 3,215 | -5.7% |
| 3Q24 | 3,527 | -5.2% |
| 2Q24 | 3,443 | -14.5% |
| 1Q24 | 3,375 | -14.1% |
| 4Q23 | 3,410 | +0.5% |
| 3Q23 | 3,719 | +6.1% |
| 2Q23 | 4,026 | +18.2% |
| 1Q23 | 3,929 | +22.9% |
| 4Q22 | 3,394 | +6.1% |
| 3Q22 | 3,504 | +12.7% |
| 2Q22 | 3,406 | +0.8% |
| 1Q22 | 3,196 | +8.1% |
| 4Q21 | 3,200 | +28.8% |
| 3Q21 | 3,108 | +8.6% |
| 2Q21 | 3,378 | +2.7% |
| 1Q21 | 2,957 | -7.5% |
| 4Q20 | 2,485 | -21.4% |
| 3Q20 | 2,863 | -14.4% |
| 2Q20 | 3,289 | -1.7% |
| 1Q20 | 3,197 | -4.0% |
| 4Q19 | 3,163 | -10.2% |
| 3Q19 | 3,344 | +9.3% |
| 2Q19 | 3,344 | -3.5% |
| 1Q19 | 3,330 | +8.2% |
| 4Q18 | 3,522 | +20.5% |
| 3Q18 | 3,060 | +11.4% |
| 2Q18 | 3,464 | +21.7% |
| 1Q18 | 3,077 | +17.6% |
| 4Q17 | 2,923 | +3.4% |
| 3Q17 | 2,747 | -1.0% |
| 2Q17 | 2,846 | -7.9% |
| 1Q17 | 2,616 | -16.7% |
| 4Q16 | 2,826 | - |
| 3Q16 | 2,775 | - |
| 2Q16 | 3,090 | - |
| 1Q16 | 3,139 | - |