| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 16,121 | -2.1% |
| 1Q26 | 15,574 | -2.4% |
| 4Q25 | 17,439 | +3.4% |
| 3Q25 | 16,175 | -4.4% |
| 2Q25 | 16,464 | +0.1% |
| 1Q25 | 15,952 | -0.5% |
| 4Q24 | 16,872 | -1.9% |
| 3Q24 | 16,921 | +0.9% |
| 2Q24 | 16,453 | +0.8% |
| 1Q24 | 16,031 | +5.1% |
| 4Q23 | 17,193 | +6.8% |
| 3Q23 | 16,772 | +9.6% |
| 2Q23 | 16,325 | +7.9% |
| 1Q23 | 15,246 | +1.6% |
| 4Q22 | 16,102 | -3.6% |
| 3Q22 | 15,305 | +2.2% |
| 2Q22 | 15,128 | +9.0% |
| 1Q22 | 15,009 | +5.1% |
| 4Q21 | 16,703 | +6.9% |
| 3Q21 | 14,982 | -6.1% |
| 2Q21 | 13,876 | -12.8% |
| 1Q21 | 14,275 | -9.6% |
| 4Q20 | 15,625 | -8.2% |
| 3Q20 | 15,953 | -5.9% |
| 2Q20 | 15,912 | -4.0% |
| 1Q20 | 15,792 | -1.2% |
| 4Q19 | 17,019 | +24.3% |
| 3Q19 | 16,960 | +24.5% |
| 2Q19 | 16,574 | +24.0% |
| 1Q19 | 15,986 | +20.7% |
| 4Q18 | 13,695 | +9.7% |
| 3Q18 | 13,627 | +19.8% |
| 2Q18 | 13,368 | +16.9% |
| 1Q18 | 13,249 | +15.3% |
| 4Q17 | 12,480 | +6.5% |
| 3Q17 | 11,378 | +3.6% |
| 2Q17 | 11,437 | - |
| 1Q17 | 11,495 | - |
| 4Q16 | 11,720 | - |
| 3Q16 | 10,986 | - |