| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 20,331 | -4.8% |
| 2Q26 | 18,932 | -3.5% |
| 1Q26 | 18,777 | -1.4% |
| 4Q25 | 19,838 | -2.1% |
| 3Q25 | 21,347 | +3.5% |
| 2Q25 | 19,613 | +5.4% |
| 1Q25 | 19,046 | +3.8% |
| 4Q24 | 20,260 | +3.5% |
| 3Q24 | 20,616 | +1.7% |
| 2Q24 | 18,604 | +0.6% |
| 1Q24 | 18,343 | +3.5% |
| 4Q23 | 19,575 | +2.6% |
| 3Q23 | 20,277 | +6.4% |
| 2Q23 | 18,496 | +9.2% |
| 1Q23 | 17,729 | +1.1% |
| 4Q22 | 19,083 | +1.2% |
| 3Q22 | 19,054 | -3.3% |
| 2Q22 | 16,943 | -5.3% |
| 1Q22 | 17,540 | -6.0% |
| 4Q21 | 18,850 | -11.2% |
| 3Q21 | 19,702 | -9.3% |
| 2Q21 | 17,899 | -12.3% |
| 1Q21 | 18,661 | -5.9% |
| 4Q20 | 21,233 | -1.9% |
| 3Q20 | 21,730 | +2.7% |
| 2Q20 | 20,414 | +6.6% |
| 1Q20 | 19,838 | +3.3% |
| 4Q19 | 21,655 | +6.6% |
| 3Q19 | 21,153 | -0.5% |
| 2Q19 | 19,157 | +1.8% |
| 1Q19 | 19,200 | +6.6% |
| 4Q18 | 20,307 | +6.2% |
| 3Q18 | 21,253 | +3.0% |
| 2Q18 | 18,810 | +0.6% |
| 1Q18 | 18,017 | -2.9% |
| 4Q17 | 19,126 | -5.1% |
| 3Q17 | 20,638 | -3.9% |
| 2Q17 | 18,696 | -2.2% |
| 1Q17 | 18,559 | +5.1% |
| 4Q16 | 20,158 | - |
| 3Q16 | 21,483 | - |
| 2Q16 | 19,116 | - |
| 1Q16 | 17,663 | - |