| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 28,311 | +24.5% |
| 3Q25 | 24,115 | +10.4% |
| 2Q25 | 20,160 | +10.0% |
| 1Q25 | 22,232 | +6.2% |
| 4Q24 | 22,738 | +5.5% |
| 3Q24 | 21,851 | +7.4% |
| 2Q24 | 18,330 | +4.2% |
| 1Q24 | 20,928 | +5.5% |
| 4Q23 | 21,548 | -1.8% |
| 3Q23 | 20,341 | +6.3% |
| 2Q23 | 17,598 | +0.4% |
| 1Q23 | 19,833 | -10.8% |
| 4Q22 | 21,945 | -26.9% |
| 3Q22 | 19,129 | -31.3% |
| 2Q22 | 17,525 | -26.1% |
| 1Q22 | 22,242 | -3.3% |
| 4Q21 | 30,033 | -19.9% |
| 3Q21 | 27,861 | -17.8% |
| 2Q21 | 23,714 | -21.7% |
| 1Q21 | 22,993 | -32.1% |
| 4Q20 | 37,482 | +7.2% |
| 3Q20 | 33,909 | +1.8% |
| 2Q20 | 30,287 | +1.7% |
| 1Q20 | 33,872 | +9.4% |
| 4Q19 | 34,966 | -1.7% |
| 3Q19 | 33,302 | +3.2% |
| 2Q19 | 29,791 | -3.7% |
| 1Q19 | 30,960 | +0.8% |
| 4Q18 | 35,573 | -6.0% |
| 3Q18 | 32,260 | +8.0% |
| 2Q18 | 30,948 | +0.7% |
| 1Q18 | 30,717 | -7.4% |
| 4Q17 | 37,845 | -4.9% |
| 3Q17 | 29,878 | -18.2% |
| 2Q17 | 30,739 | - |
| 1Q17 | 33,176 | - |
| 4Q16 | 39,787 | - |
| 3Q16 | 36,536 | - |