| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,224 | +14.2% |
| 3Q25 | 2,116 | +16.7% |
| 2Q25 | 1,962 | -3.5% |
| 1Q25 | 1,912 | -4.8% |
| 4Q24 | 1,947 | -5.8% |
| 3Q24 | 1,814 | -8.0% |
| 2Q24 | 2,033 | +20.2% |
| 1Q24 | 2,008 | +41.8% |
| 4Q23 | 2,067 | +41.9% |
| 3Q23 | 1,970 | +26.7% |
| 2Q23 | 1,692 | -2.3% |
| 1Q23 | 1,416 | -24.1% |
| 4Q22 | 1,457 | -26.9% |
| 3Q22 | 1,555 | -1.6% |
| 2Q22 | 1,731 | -1.8% |
| 1Q22 | 1,865 | +24.5% |
| 4Q21 | 1,992 | +53.9% |
| 3Q21 | 1,580 | +42.0% |
| 2Q21 | 1,763 | +99.0% |
| 1Q21 | 1,499 | +43.9% |
| 4Q20 | 1,294 | -11.2% |
| 3Q20 | 1,112 | +2.0% |
| 2Q20 | 886 | -28.2% |
| 1Q20 | 1,041 | -21.7% |
| 4Q19 | 1,457 | +7.6% |
| 3Q19 | 1,090 | -15.6% |
| 2Q19 | 1,234 | - |
| 1Q19 | 1,330 | - |
| 4Q18 | 1,355 | - |
| 3Q18 | 1,292 | - |