| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 31,803 | -4.9% |
| 4Q25 | 29,854 | +1.2% |
| 3Q25 | 31,341 | +11.2% |
| 2Q25 | 33,210 | +14.5% |
| 1Q25 | 33,450 | +6.6% |
| 4Q24 | 29,513 | +5.5% |
| 3Q24 | 28,185 | +4.5% |
| 2Q24 | 29,016 | +7.7% |
| 1Q24 | 31,383 | +6.1% |
| 4Q23 | 27,986 | +8.3% |
| 3Q23 | 26,968 | +6.5% |
| 2Q23 | 26,938 | +5.2% |
| 1Q23 | 29,587 | +15.4% |
| 4Q22 | 25,842 | +1.3% |
| 3Q22 | 25,313 | +5.0% |
| 2Q22 | 25,601 | +7.9% |
| 1Q22 | 25,629 | +7.9% |
| 4Q21 | 25,522 | +14.9% |
| 3Q21 | 24,117 | +20.4% |
| 2Q21 | 23,723 | +1.0% |
| 1Q21 | 23,761 | -5.1% |
| 4Q20 | 22,204 | -8.4% |
| 3Q20 | 20,029 | -7.3% |
| 2Q20 | 23,493 | +0.7% |
| 1Q20 | 25,046 | +10.6% |
| 4Q19 | 24,227 | +13.0% |
| 3Q19 | 21,616 | +13.6% |
| 2Q19 | 23,327 | +19.5% |
| 1Q19 | 22,649 | +13.4% |
| 4Q18 | 21,442 | +12.8% |
| 3Q18 | 19,032 | +9.9% |
| 2Q18 | 19,525 | +3.4% |
| 1Q18 | 19,964 | +7.0% |
| 4Q17 | 19,013 | +8.1% |
| 3Q17 | 17,325 | +7.4% |
| 2Q17 | 18,882 | +10.1% |
| 1Q17 | 18,663 | +6.5% |
| 4Q16 | 17,581 | - |
| 3Q16 | 16,137 | - |
| 2Q16 | 17,145 | - |
| 1Q16 | 17,522 | - |