| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,094 | -15.9% |
| 3Q25 | 2,226 | -3.6% |
| 2Q25 | 2,457 | +3.8% |
| 1Q25 | 2,065 | +14.3% |
| 4Q24 | 2,489 | +10.2% |
| 3Q24 | 2,310 | +4.0% |
| 2Q24 | 2,366 | +11.8% |
| 1Q24 | 1,807 | -5.5% |
| 4Q23 | 2,258 | +1.9% |
| 3Q23 | 2,222 | -6.2% |
| 2Q23 | 2,115 | -10.0% |
| 1Q23 | 1,912 | +6.6% |
| 4Q22 | 2,217 | +7.8% |
| 3Q22 | 2,368 | +20.8% |
| 2Q22 | 2,352 | +24.8% |
| 1Q22 | 1,793 | +26.1% |
| 4Q21 | 2,055 | +21.6% |
| 3Q21 | 1,960 | +27.8% |
| 2Q21 | 1,884 | +37.0% |
| 1Q21 | 1,422 | +28.6% |
| 4Q20 | 1,690 | +26.1% |
| 3Q20 | 1,534 | +16.9% |
| 2Q20 | 1,375 | +4.7% |
| 1Q20 | 1,105 | +1.9% |
| 4Q19 | 1,340 | +10.0% |
| 3Q19 | 1,312 | +9.8% |
| 2Q19 | 1,313 | +0.9% |
| 1Q19 | 1,084 | +8.9% |
| 4Q18 | 1,219 | +19.6% |
| 3Q18 | 1,195 | +11.5% |
| 2Q18 | 1,301 | +26.1% |
| 1Q18 | 996 | +37.1% |
| 4Q17 | 1,019 | +11.5% |
| 3Q17 | 1,072 | +11.3% |
| 2Q17 | 1,032 | +0.3% |
| 1Q17 | 726 | -9.7% |
| 4Q16 | 914 | -6.8% |
| 3Q16 | 963 | - |
| 2Q16 | 1,029 | - |
| 1Q16 | 804 | - |
| 4Q15 | 981 | - |