| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 7,323 | -16.1% |
| 3Q25 | 8,253 | -4.0% |
| 2Q25 | 8,686 | -0.9% |
| 1Q25 | 9,282 | -8.4% |
| 4Q24 | 8,726 | -13.7% |
| 3Q24 | 8,598 | -11.4% |
| 2Q24 | 8,761 | -0.9% |
| 1Q24 | 10,132 | -0.9% |
| 4Q23 | 10,109 | +8.5% |
| 3Q23 | 9,706 | +1.5% |
| 2Q23 | 8,840 | -12.4% |
| 1Q23 | 10,226 | +3.0% |
| 4Q22 | 9,315 | -12.7% |
| 3Q22 | 9,567 | -0.8% |
| 2Q22 | 10,094 | -20.1% |
| 1Q22 | 9,928 | +1.7% |
| 4Q21 | 10,669 | +0.3% |
| 3Q21 | 9,647 | -18.2% |
| 2Q21 | 12,638 | -0.7% |
| 1Q21 | 9,763 | -31.8% |
| 4Q20 | 10,639 | -11.2% |
| 3Q20 | 11,799 | -1.4% |
| 2Q20 | 12,725 | -2.1% |
| 1Q20 | 14,320 | +0.2% |
| 4Q19 | 11,981 | +1.9% |
| 3Q19 | 11,969 | -0.9% |
| 2Q19 | 12,993 | +3.5% |
| 1Q19 | 14,294 | -4.3% |
| 4Q18 | 11,755 | +0.9% |
| 3Q18 | 12,073 | -7.8% |
| 2Q18 | 12,558 | -5.0% |
| 1Q18 | 14,930 | -3.2% |
| 4Q17 | 11,655 | -10.6% |
| 3Q17 | 13,099 | +0.7% |
| 2Q17 | 13,221 | - |
| 1Q17 | 15,429 | - |
| 4Q16 | 13,032 | - |
| 3Q16 | 13,004 | - |