| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 37,873 | -1.9% |
| 3Q25 | 28,199 | -18.4% |
| 2Q25 | 37,274 | +10.0% |
| 1Q25 | 24,588 | -3.9% |
| 4Q24 | 38,605 | +12.8% |
| 3Q24 | 34,539 | +15.4% |
| 2Q24 | 33,882 | +20.6% |
| 1Q24 | 25,585 | +35.0% |
| 4Q23 | 34,233 | +50.3% |
| 3Q23 | 29,928 | +44.1% |
| 2Q23 | 28,096 | +32.4% |
| 1Q23 | 18,950 | -14.5% |
| 4Q22 | 22,769 | -4.1% |
| 3Q22 | 20,766 | -9.2% |
| 2Q22 | 21,221 | +12.5% |
| 1Q22 | 22,159 | -1.0% |
| 4Q21 | 23,741 | +8.9% |
| 3Q21 | 22,860 | +29.2% |
| 2Q21 | 18,856 | -12.5% |
| 1Q21 | 22,392 | +15.3% |
| 4Q20 | 21,801 | -3.2% |
| 3Q20 | 17,688 | - |
| 2Q20 | 21,539 | - |
| 1Q20 | 19,413 | - |
| 4Q19 | 22,533 | - |
| 3Q17 | 30,622 | -3.4% |
| 2Q17 | 31,443 | -6.1% |
| 1Q17 | 35,069 | -4.6% |
| 4Q16 | 32,599 | -10.4% |
| 3Q16 | 31,696 | - |
| 2Q16 | 33,485 | - |
| 1Q16 | 36,746 | - |
| 4Q15 | 36,399 | - |