| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,148 | +4.8% |
| 3Q25 | 2,404 | +9.0% |
| 2Q25 | 2,546 | +6.9% |
| 1Q25 | 1,978 | -4.3% |
| 4Q24 | 2,050 | +11.9% |
| 3Q24 | 2,206 | +10.6% |
| 2Q24 | 2,381 | +5.5% |
| 1Q24 | 2,065 | +10.5% |
| 4Q23 | 1,832 | -2.9% |
| 3Q23 | 1,994 | -3.3% |
| 2Q23 | 2,257 | -1.0% |
| 1Q23 | 1,869 | -2.8% |
| 4Q22 | 1,887 | -5.3% |
| 3Q22 | 2,062 | -3.7% |
| 2Q22 | 2,280 | -1.7% |
| 1Q22 | 1,922 | -10.2% |
| 4Q21 | 1,993 | -18.5% |
| 3Q21 | 2,142 | +6.0% |
| 2Q21 | 2,318 | -2.7% |
| 1Q21 | 2,140 | -5.4% |
| 4Q20 | 2,445 | +3.2% |
| 3Q20 | 2,020 | -19.8% |
| 2Q20 | 2,383 | -8.1% |
| 1Q20 | 2,264 | -4.7% |
| 4Q19 | 2,370 | -9.7% |
| 3Q19 | 2,519 | -3.2% |
| 2Q19 | 2,594 | -11.8% |
| 1Q19 | 2,375 | -8.4% |
| 4Q18 | 2,625 | -4.0% |
| 3Q18 | 2,601 | -0.0% |
| 2Q18 | 2,940 | +3.4% |
| 1Q18 | 2,594 | +6.1% |
| 4Q17 | 2,734 | +3.2% |
| 3Q17 | 2,602 | - |
| 2Q17 | 2,843 | - |
| 1Q17 | 2,445 | - |
| 4Q16 | 2,650 | - |