| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,919 | +6.7% |
| 3Q25 | 3,428 | +3.7% |
| 2Q25 | 3,659 | +1.9% |
| 1Q25 | 3,244 | -0.6% |
| 4Q24 | 3,672 | -0.1% |
| 3Q24 | 3,305 | -0.6% |
| 2Q24 | 3,590 | -2.8% |
| 1Q24 | 3,262 | -0.5% |
| 4Q23 | 3,677 | -3.0% |
| 3Q23 | 3,324 | -1.0% |
| 2Q23 | 3,695 | -1.7% |
| 1Q23 | 3,280 | -1.3% |
| 4Q22 | 3,791 | +0.5% |
| 3Q22 | 3,359 | +2.0% |
| 2Q22 | 3,757 | +1.6% |
| 1Q22 | 3,322 | +31.5% |
| 4Q21 | 3,772 | +4.6% |
| 3Q21 | 3,292 | +4.2% |
| 2Q21 | 3,699 | +7.9% |
| 1Q21 | 2,527 | -13.2% |
| 4Q20 | 3,607 | +5.9% |
| 3Q20 | 3,158 | +4.5% |
| 2Q20 | 3,427 | +4.4% |
| 1Q20 | 2,912 | +2.9% |
| 4Q19 | 3,407 | +6.5% |
| 3Q19 | 3,023 | +8.1% |
| 2Q19 | 3,284 | +7.3% |
| 1Q19 | 2,829 | +7.1% |
| 4Q18 | 3,200 | +8.4% |
| 3Q18 | 2,797 | +3.5% |
| 2Q18 | 3,060 | +5.9% |
| 1Q18 | 2,643 | +5.5% |
| 4Q17 | 2,953 | +5.0% |
| 3Q17 | 2,703 | +7.2% |
| 2Q17 | 2,889 | - |
| 1Q17 | 2,504 | - |
| 4Q16 | 2,814 | - |
| 3Q16 | 2,521 | - |