| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,091 | -17.3% |
| 3Q25 | 1,515 | +3.5% |
| 2Q25 | 1,802 | +5.3% |
| 1Q25 | 1,241 | -2.5% |
| 4Q24 | 1,320 | +20.6% |
| 3Q24 | 1,463 | +18.4% |
| 2Q24 | 1,712 | +28.8% |
| 1Q24 | 1,272 | +16.0% |
| 4Q23 | 1,094 | +2.3% |
| 3Q23 | 1,235 | +7.3% |
| 2Q23 | 1,329 | +6.7% |
| 1Q23 | 1,097 | +1.8% |
| 4Q22 | 1,070 | +8.2% |
| 3Q22 | 1,151 | +11.8% |
| 2Q22 | 1,246 | +7.8% |
| 1Q22 | 1,078 | +55.9% |
| 4Q21 | 989 | +42.0% |
| 3Q21 | 1,029 | +57.3% |
| 2Q21 | 1,155 | - |
| 1Q21 | 691 | +16.7% |
| 4Q20 | 696 | +10.4% |
| 3Q20 | 654 | +13.5% |
| 1Q20 | 592 | +18.1% |
| 4Q19 | 631 | +19.2% |
| 3Q19 | 576 | - |
| 2Q19 | 556 | - |
| 1Q19 | 501 | - |
| 4Q18 | 529 | - |