| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 40,266 | +12.0% |
| 3Q25 | 39,022 | +17.0% |
| 2Q25 | 36,188 | +17.8% |
| 1Q25 | 37,187 | +20.2% |
| 4Q24 | 35,962 | +19.3% |
| 3Q24 | 33,339 | +10.7% |
| 2Q24 | 30,717 | +12.6% |
| 1Q24 | 30,937 | +12.9% |
| 4Q23 | 30,148 | +15.4% |
| 3Q23 | 30,130 | +17.4% |
| 2Q23 | 27,268 | +15.9% |
| 1Q23 | 27,400 | +27.6% |
| 4Q22 | 26,128 | +10.6% |
| 3Q22 | 25,657 | +35.0% |
| 2Q22 | 23,530 | +25.3% |
| 1Q22 | 21,479 | +6.9% |
| 4Q21 | 23,631 | +1.2% |
| 3Q21 | 19,002 | -16.6% |
| 2Q21 | 18,785 | +2.9% |
| 1Q21 | 20,093 | -25.3% |
| 4Q20 | 23,342 | -17.2% |
| 3Q20 | 22,796 | - |
| 2Q20 | 18,255 | - |
| 1Q20 | 26,895 | - |
| 4Q19 | 28,174 | - |