| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 17,881 | -1.9% |
| 1Q26 | 18,254 | +0.6% |
| 4Q25 | 18,759 | +2.7% |
| 3Q25 | 17,502 | -8.8% |
| 2Q25 | 18,232 | 0.0% |
| 1Q25 | 18,147 | +0.4% |
| 4Q24 | 18,258 | +0.5% |
| 3Q24 | 19,191 | +4.6% |
| 2Q24 | 18,224 | +9.4% |
| 1Q24 | 18,080 | +11.2% |
| 4Q23 | 18,169 | +22.5% |
| 3Q23 | 18,346 | +21.9% |
| 2Q23 | 16,658 | +12.2% |
| 1Q23 | 16,260 | +6.5% |
| 4Q22 | 14,834 | -0.5% |
| 3Q22 | 15,051 | +9.4% |
| 2Q22 | 14,844 | +29.0% |
| 1Q22 | 15,266 | +12.1% |
| 4Q21 | 14,909 | -6.2% |
| 3Q21 | 13,752 | -12.2% |
| 2Q21 | 11,510 | -29.0% |
| 1Q21 | 13,624 | -15.3% |
| 4Q20 | 15,891 | -5.0% |
| 3Q20 | 15,657 | -6.0% |
| 2Q20 | 16,219 | -1.4% |
| 1Q20 | 16,084 | +0.3% |
| 4Q19 | 16,725 | +4.3% |
| 3Q19 | 16,651 | +4.6% |
| 2Q19 | 16,443 | +6.1% |
| 1Q19 | 16,039 | +5.6% |
| 4Q18 | 16,031 | +5.9% |
| 3Q18 | 15,913 | +12.7% |
| 2Q18 | 15,496 | +6.9% |
| 1Q18 | 15,182 | +5.9% |
| 4Q17 | 15,142 | +4.6% |
| 3Q17 | 14,117 | -3.3% |
| 2Q17 | 14,492 | - |
| 1Q17 | 14,330 | - |
| 4Q16 | 14,481 | - |
| 3Q16 | 14,592 | - |