| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 11,331 | +2.1% |
| 3Q25 | 14,364 | +17.3% |
| 2Q25 | 10,321 | +8.9% |
| 1Q25 | 11,856 | +4.8% |
| 4Q24 | 11,093 | -28.9% |
| 3Q24 | 12,249 | -22.1% |
| 2Q24 | 9,476 | -15.5% |
| 1Q24 | 11,316 | -5.1% |
| 4Q23 | 15,598 | +34.9% |
| 3Q23 | 15,719 | +16.0% |
| 2Q23 | 11,208 | +10.7% |
| 1Q23 | 11,921 | +3.1% |
| 4Q22 | 11,564 | +85.8% |
| 3Q22 | 13,551 | +15.6% |
| 2Q22 | 10,123 | +10.7% |
| 1Q22 | 11,560 | +26.3% |
| 4Q21 | 6,223 | -42.6% |
| 3Q21 | 11,725 | -16.7% |
| 2Q21 | 9,147 | -16.3% |
| 1Q21 | 9,151 | -27.3% |
| 4Q20 | 10,844 | -4.0% |
| 3Q20 | 14,068 | -5.5% |
| 2Q20 | 10,922 | -8.6% |
| 1Q20 | 12,582 | -11.3% |
| 4Q19 | 11,300 | -19.6% |
| 3Q19 | 14,880 | -15.5% |
| 2Q19 | 11,954 | -11.2% |
| 1Q19 | 14,190 | -7.5% |
| 4Q18 | 14,051 | -2.4% |
| 3Q18 | 17,614 | -3.6% |
| 2Q18 | 13,469 | -5.0% |
| 1Q18 | 15,346 | -8.2% |
| 4Q17 | 14,393 | -14.9% |
| 3Q17 | 18,270 | -8.3% |
| 2Q17 | 14,182 | - |
| 1Q17 | 16,708 | - |
| 4Q16 | 16,918 | - |
| 3Q16 | 19,918 | - |