| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 19,789 | +3.2% |
| 2Q26 | 18,767 | +2.9% |
| 1Q26 | 17,024 | -5.1% |
| 4Q25 | 25,796 | -3.9% |
| 3Q25 | 19,180 | -9.4% |
| 2Q25 | 18,246 | +9.9% |
| 1Q25 | 17,937 | +9.8% |
| 4Q24 | 26,849 | +3.9% |
| 3Q24 | 21,181 | +15.0% |
| 2Q24 | 16,600 | -3.6% |
| 1Q24 | 16,331 | +10.9% |
| 4Q23 | 25,841 | +16.2% |
| 3Q23 | 18,423 | +1.9% |
| 2Q23 | 17,217 | +12.0% |
| 1Q23 | 14,721 | -6.1% |
| 4Q22 | 22,232 | +3.2% |
| 3Q22 | 18,087 | -3.7% |
| 2Q22 | 15,373 | -8.0% |
| 1Q22 | 15,672 | -0.6% |
| 4Q21 | 21,546 | -8.4% |
| 3Q21 | 18,782 | -3.5% |
| 2Q21 | 16,713 | +1.6% |
| 1Q21 | 15,768 | +1.3% |
| 4Q20 | 23,534 | +5.3% |
| 3Q20 | 19,466 | +9.6% |
| 2Q20 | 16,455 | +2.9% |
| 1Q20 | 15,565 | -4.6% |
| 4Q19 | 22,345 | -3.1% |
| 3Q19 | 17,758 | +2.9% |
| 2Q19 | 15,987 | -9.7% |
| 1Q19 | 16,324 | -11.5% |
| 4Q18 | 23,067 | -19.8% |
| 3Q18 | 17,258 | -14.2% |
| 2Q18 | 17,706 | -10.1% |
| 1Q18 | 18,436 | -4.5% |
| 4Q17 | 28,773 | -5.3% |
| 3Q17 | 20,123 | -10.9% |
| 2Q17 | 19,698 | - |
| 1Q17 | 19,310 | - |
| 4Q16 | 30,385 | - |
| 3Q16 | 22,583 | - |