| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 1,122 | +14.6% |
| 2Q26 | 1,204 | +3.5% |
| 1Q26 | 923 | -1.1% |
| 4Q25 | 1,004 | +3.0% |
| 3Q25 | 979 | -4.6% |
| 2Q25 | 1,163 | +29.0% |
| 1Q25 | 933 | +19.6% |
| 4Q24 | 975 | +32.0% |
| 3Q24 | 1,026 | +25.0% |
| 2Q24 | 902 | +7.8% |
| 1Q24 | 780 | +4.6% |
| 4Q23 | 738 | -1.9% |
| 3Q23 | 821 | +45.2% |
| 2Q23 | 837 | +38.8% |
| 1Q23 | 746 | +40.9% |
| 4Q22 | 752 | +11.0% |
| 3Q22 | 565 | +4.7% |
| 2Q22 | 603 | -6.2% |
| 1Q22 | 529 | +3.5% |
| 4Q21 | 678 | +19.6% |
| 3Q21 | 540 | -3.0% |
| 2Q21 | 642 | +6.5% |
| 1Q21 | 511 | -4.0% |
| 4Q20 | 567 | -3.4% |
| 3Q20 | 557 | +3.6% |
| 2Q20 | 603 | +2.0% |
| 1Q20 | 533 | +4.7% |
| 4Q19 | 586 | +1.2% |
| 3Q19 | 538 | - |
| 2Q19 | 591 | - |
| 1Q19 | 508 | - |
| 4Q18 | 580 | - |