| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 11,680 | -7.0% |
| 2Q26 | 12,533 | -9.2% |
| 1Q26 | 11,936 | -8.8% |
| 4Q25 | 12,333 | -11.0% |
| 3Q25 | 12,555 | -4.8% |
| 2Q25 | 13,804 | +6.3% |
| 1Q25 | 13,087 | +2.8% |
| 4Q24 | 13,854 | +1.5% |
| 3Q24 | 13,184 | +4.6% |
| 2Q24 | 12,982 | -4.1% |
| 1Q24 | 12,728 | -1.1% |
| 4Q23 | 13,645 | +3.2% |
| 3Q23 | 12,608 | +4.0% |
| 2Q23 | 13,543 | +7.1% |
| 1Q23 | 12,865 | +9.0% |
| 4Q22 | 13,224 | -0.7% |
| 3Q22 | 12,124 | -3.5% |
| 2Q22 | 12,647 | -0.5% |
| 1Q22 | 11,807 | +2.4% |
| 4Q21 | 13,312 | +10.3% |
| 3Q21 | 12,562 | +1.7% |
| 2Q21 | 12,716 | +0.3% |
| 1Q21 | 11,529 | -16.9% |
| 4Q20 | 12,070 | -15.2% |
| 3Q20 | 12,352 | -19.7% |
| 2Q20 | 12,672 | -19.8% |
| 1Q20 | 13,881 | -6.9% |
| 4Q19 | 14,228 | -7.4% |
| 3Q19 | 15,380 | -1.1% |
| 2Q19 | 15,801 | +1.9% |
| 1Q19 | 14,907 | +1.2% |
| 4Q18 | 15,362 | -0.5% |
| 3Q18 | 15,550 | +0.5% |
| 2Q18 | 15,502 | -5.6% |
| 1Q18 | 14,737 | -3.5% |
| 4Q17 | 15,437 | -3.9% |
| 3Q17 | 15,470 | -13.1% |
| 2Q17 | 16,423 | -6.2% |
| 1Q17 | 15,271 | - |
| 4Q16 | 16,066 | - |
| 3Q16 | 17,807 | - |
| 2Q16 | 17,504 | - |