| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 12,303 | +4.0% |
| 1Q26 | 10,497 | -8.0% |
| 3Q25 | 10,481 | -3.5% |
| 2Q25 | 11,827 | +2.0% |
| 1Q25 | 11,410 | +19.5% |
| 4Q24 | 11,062 | +1.6% |
| 3Q24 | 10,859 | +4.5% |
| 2Q24 | 11,591 | +2.2% |
| 1Q24 | 9,546 | +1.5% |
| 4Q23 | 10,890 | +7.9% |
| 3Q23 | 10,389 | +0.4% |
| 2Q23 | 11,339 | +14.1% |
| 1Q23 | 9,401 | -4.7% |
| 4Q22 | 10,096 | -18.1% |
| 3Q22 | 10,350 | -10.5% |
| 2Q22 | 9,942 | +3.6% |
| 1Q22 | 9,865 | +37.2% |
| 4Q21 | 12,331 | +9.0% |
| 3Q21 | 11,561 | -6.1% |
| 2Q21 | 9,597 | -31.1% |
| 1Q21 | 7,192 | -44.6% |
| 4Q20 | 11,314 | -15.0% |
| 3Q20 | 12,317 | -8.4% |
| 2Q20 | 13,938 | +14.5% |
| 1Q20 | 12,989 | +0.2% |
| 4Q19 | 13,309 | +6.5% |
| 3Q19 | 13,449 | +3.0% |
| 2Q19 | 12,172 | -7.1% |
| 1Q19 | 12,967 | +0.8% |
| 4Q18 | 12,497 | -4.2% |
| 3Q18 | 13,062 | -2.2% |
| 2Q18 | 13,104 | -0.7% |
| 1Q18 | 12,861 | -3.3% |
| 4Q17 | 13,048 | -5.5% |
| 3Q17 | 13,360 | -7.0% |
| 2Q17 | 13,197 | - |
| 1Q17 | 13,296 | - |
| 4Q16 | 13,811 | - |
| 3Q16 | 14,372 | - |