| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 15,119 | +1.2% |
| 2Q26 | 14,151 | -6.6% |
| 1Q26 | 14,734 | -0.4% |
| 4Q25 | 15,395 | -1.3% |
| 3Q25 | 14,941 | -15.4% |
| 2Q25 | 15,155 | +3.9% |
| 1Q25 | 14,790 | +1.8% |
| 4Q24 | 15,590 | -4.7% |
| 3Q24 | 17,660 | +23.2% |
| 2Q24 | 14,587 | +8.7% |
| 1Q24 | 14,532 | +19.7% |
| 4Q23 | 16,353 | +17.4% |
| 3Q23 | 14,336 | +17.9% |
| 2Q23 | 13,414 | +12.8% |
| 1Q23 | 12,136 | +2.5% |
| 4Q22 | 13,931 | +1.3% |
| 3Q22 | 12,164 | -1.8% |
| 2Q22 | 11,893 | +1.5% |
| 1Q22 | 11,837 | +18.4% |
| 4Q21 | 13,758 | -3.3% |
| 3Q21 | 12,382 | -13.3% |
| 2Q21 | 11,713 | -18.9% |
| 1Q21 | 9,994 | -26.0% |
| 4Q20 | 14,227 | -3.5% |
| 3Q20 | 14,279 | - |
| 2Q20 | 14,439 | - |
| 1Q20 | 13,502 | - |
| 4Q19 | 14,746 | - |