| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 33,121 | +10.3% |
| 3Q25 | 31,618 | -0.1% |
| 2Q25 | 30,524 | -5.4% |
| 1Q25 | 31,007 | -3.1% |
| 4Q24 | 30,037 | -7.8% |
| 3Q24 | 31,656 | -0.3% |
| 2Q24 | 32,263 | +1.1% |
| 1Q24 | 32,014 | +5.7% |
| 4Q23 | 32,584 | +1.9% |
| 3Q23 | 31,752 | -3.2% |
| 2Q23 | 31,927 | +11.5% |
| 1Q23 | 30,297 | +17.1% |
| 4Q22 | 31,989 | +34.2% |
| 3Q22 | 32,805 | +44.4% |
| 2Q22 | 28,623 | +32.2% |
| 1Q22 | 25,880 | +21.2% |
| 4Q21 | 23,841 | +22.0% |
| 3Q21 | 22,719 | +19.6% |
| 2Q21 | 21,657 | +31.1% |
| 1Q21 | 21,346 | +16.9% |
| 4Q20 | 19,534 | - |
| 3Q20 | 19,001 | - |
| 2Q20 | 16,516 | - |
| 1Q20 | 18,266 | - |
| 4Q16 | 15,827 | -8.7% |
| 3Q16 | 15,641 | - |
| 2Q16 | 16,523 | - |
| 1Q16 | 16,943 | - |
| 4Q15 | 17,344 | - |