| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 24,996 | -7.9% |
| 3Q25 | 25,234 | +0.2% |
| 2Q25 | 22,701 | -13.5% |
| 1Q25 | 23,238 | -7.2% |
| 4Q24 | 27,152 | -3.6% |
| 3Q24 | 25,195 | -12.6% |
| 2Q24 | 26,255 | -13.4% |
| 1Q24 | 25,037 | -18.9% |
| 4Q23 | 28,167 | -5.7% |
| 3Q23 | 28,813 | -4.5% |
| 2Q23 | 30,321 | +14.2% |
| 1Q23 | 30,871 | +20.2% |
| 4Q22 | 29,863 | +11.0% |
| 3Q22 | 30,169 | +34.2% |
| 2Q22 | 26,543 | +9.0% |
| 1Q22 | 25,678 | -4.9% |
| 4Q21 | 26,894 | -1.1% |
| 3Q21 | 22,486 | +1.8% |
| 2Q21 | 24,358 | +42.0% |
| 1Q21 | 27,002 | +7.3% |
| 4Q20 | 27,200 | +3.1% |
| 3Q20 | 22,092 | -16.6% |
| 2Q20 | 17,148 | -34.0% |
| 1Q20 | 25,171 | -5.5% |
| 4Q19 | 26,377 | -6.5% |
| 3Q19 | 26,493 | -23.9% |
| 2Q19 | 25,974 | +36.5% |
| 1Q19 | 26,638 | -9.4% |
| 4Q18 | 28,224 | +17.2% |
| 3Q18 | 34,805 | +82.9% |
| 1Q18 | 29,408 | +22.2% |
| 2Q18 | 19,033 | -8.6% |
| 1Q18 | 22,953 | +14.8% |
| 4Q17 | 24,075 | +15.2% |
| 3Q17 | 24,694 | +13.1% |
| 2Q17 | 20,829 | - |
| 1Q17 | 19,989 | - |
| 4Q16 | 20,903 | - |
| 3Q16 | 21,834 | - |