| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 14,188 | -6.3% |
| 1Q26 | 14,344 | -3.1% |
| 4Q25 | 13,026 | -9.8% |
| 3Q25 | 16,208 | +11.0% |
| 2Q25 | 15,134 | +6.2% |
| 1Q25 | 14,806 | +3.0% |
| 4Q24 | 14,448 | +0.3% |
| 3Q24 | 14,597 | -1.2% |
| 2Q24 | 14,247 | -2.1% |
| 1Q24 | 14,380 | +1.7% |
| 4Q23 | 14,406 | -4.5% |
| 3Q23 | 14,780 | +10.7% |
| 2Q23 | 14,555 | +19.1% |
| 1Q23 | 14,135 | +12.4% |
| 4Q22 | 15,083 | +26.0% |
| 3Q22 | 13,348 | +4.7% |
| 2Q22 | 12,218 | -2.7% |
| 1Q22 | 12,574 | +2.7% |
| 4Q21 | 11,972 | -12.8% |
| 3Q21 | 12,745 | -8.0% |
| 2Q21 | 12,551 | -8.4% |
| 1Q21 | 12,241 | -15.3% |
| 4Q20 | 13,737 | -1.4% |
| 3Q20 | 13,853 | -3.6% |
| 2Q20 | 13,707 | -8.4% |
| 1Q20 | 14,456 | -2.9% |
| 4Q19 | 13,939 | -4.0% |
| 3Q19 | 14,365 | +2.9% |
| 2Q19 | 14,956 | +4.4% |
| 1Q19 | 14,894 | +5.2% |
| 4Q18 | 14,518 | +3.5% |
| 3Q18 | 13,963 | +5.8% |
| 2Q18 | 14,320 | +4.1% |
| 1Q18 | 14,158 | +0.4% |
| 4Q17 | 14,033 | +4.7% |
| 3Q17 | 13,197 | -8.9% |
| 2Q17 | 13,750 | -4.7% |
| 1Q17 | 14,108 | -5.2% |
| 4Q16 | 13,400 | - |
| 3Q16 | 14,481 | - |
| 2Q16 | 14,421 | - |
| 1Q16 | 14,885 | - |