| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,860 | +0.5% |
| 3Q25 | 2,852 | +3.3% |
| 2Q25 | 2,762 | +4.9% |
| 1Q25 | 2,836 | +3.6% |
| 4Q24 | 2,847 | +8.2% |
| 3Q24 | 2,760 | +8.4% |
| 2Q24 | 2,632 | +3.1% |
| 1Q24 | 2,737 | +2.0% |
| 4Q23 | 2,631 | +2.6% |
| 3Q23 | 2,547 | +8.3% |
| 2Q23 | 2,553 | +9.1% |
| 1Q23 | 2,684 | +22.1% |
| 4Q22 | 2,564 | -3.8% |
| 3Q22 | 2,351 | +4.2% |
| 2Q22 | 2,340 | +12.1% |
| 1Q22 | 2,198 | -7.6% |
| 4Q21 | 2,665 | +1.6% |
| 3Q21 | 2,257 | -8.0% |
| 2Q21 | 2,087 | +25.4% |
| 1Q21 | 2,380 | -22.9% |
| 4Q20 | 2,624 | -24.4% |
| 3Q20 | 2,453 | -30.2% |
| 2Q20 | 1,664 | -49.0% |
| 1Q20 | 3,085 | -8.3% |
| 4Q19 | 3,469 | +3.3% |
| 3Q19 | 3,512 | +9.8% |
| 2Q19 | 3,262 | +8.9% |
| 1Q19 | 3,363 | +6.0% |
| 4Q18 | 3,357 | +3.3% |
| 3Q18 | 3,198 | -0.7% |
| 2Q18 | 2,996 | -4.6% |
| 1Q18 | 3,173 | -0.3% |
| 4Q17 | 3,249 | +3.0% |
| 3Q17 | 3,221 | +1.2% |
| 2Q17 | 3,141 | +3.6% |
| 1Q17 | 3,181 | +9.2% |
| 4Q16 | 3,154 | +10.0% |
| 3Q16 | 3,184 | - |
| 2Q16 | 3,031 | - |
| 1Q16 | 2,913 | - |
| 4Q15 | 2,868 | - |