| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 20,524 | -4.3% |
| 2Q26 | 20,302 | -2.6% |
| 1Q26 | 20,717 | +5.9% |
| 4Q25 | 20,246 | +7.9% |
| 3Q25 | 21,453 | +10.3% |
| 2Q25 | 20,838 | +6.4% |
| 1Q25 | 19,560 | +6.6% |
| 4Q24 | 18,769 | -0.6% |
| 3Q24 | 19,448 | +0.9% |
| 2Q24 | 19,576 | +4.6% |
| 1Q24 | 18,357 | -0.5% |
| 4Q23 | 18,886 | +4.3% |
| 3Q23 | 19,273 | +7.3% |
| 2Q23 | 18,719 | +9.7% |
| 1Q23 | 18,454 | +16.7% |
| 4Q22 | 18,115 | +7.1% |
| 3Q22 | 17,955 | +8.6% |
| 2Q22 | 17,068 | +3.3% |
| 1Q22 | 15,814 | +3.1% |
| 4Q21 | 16,912 | -2.8% |
| 3Q21 | 16,537 | -4.4% |
| 2Q21 | 16,527 | -6.8% |
| 1Q21 | 15,339 | -11.7% |
| 4Q20 | 17,401 | -8.7% |
| 3Q20 | 17,296 | -5.9% |
| 2Q20 | 17,731 | +3.4% |
| 1Q20 | 17,372 | +4.8% |
| 4Q19 | 19,058 | +12.6% |
| 3Q19 | 18,373 | +10.3% |
| 2Q19 | 17,142 | +0.1% |
| 1Q19 | 16,583 | -1.8% |
| 4Q18 | 16,923 | -0.3% |
| 3Q18 | 16,658 | +4.8% |
| 2Q18 | 17,117 | +11.2% |
| 1Q18 | 16,881 | +9.5% |
| 4Q17 | 16,967 | +6.0% |
| 3Q17 | 15,889 | +0.5% |
| 2Q17 | 15,387 | -5.7% |
| 1Q17 | 15,415 | -1.0% |
| 4Q16 | 16,011 | - |
| 3Q16 | 15,816 | - |
| 2Q16 | 16,316 | - |
| 1Q16 | 15,563 | - |