| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 7,068 | +1.5% |
| 3Q25 | 7,344 | -4.0% |
| 2Q25 | 7,751 | -1.8% |
| 1Q25 | 8,413 | -0.0% |
| 4Q24 | 6,965 | +0.9% |
| 3Q24 | 7,652 | +8.2% |
| 2Q24 | 7,891 | - |
| 1Q24 | 8,414 | +0.3% |
| 4Q23 | 6,900 | -13.3% |
| 3Q22 | 7,071 | -9.2% |
| 1Q23 | 8,384 | -1.7% |
| 4Q22 | 7,958 | +7.6% |
| 2Q22 | 7,879 | -7.3% |
| 1Q22 | 8,532 | -4.9% |
| 4Q21 | 7,393 | +11.8% |
| 3Q21 | 7,788 | +8.2% |
| 2Q21 | 8,500 | +38.8% |
| 1Q21 | 8,967 | +13.6% |
| 4Q20 | 6,612 | -3.2% |
| 3Q20 | 7,199 | -0.6% |
| 2Q20 | 6,125 | -19.6% |
| 1Q20 | 7,893 | -2.4% |
| 4Q19 | 6,834 | -3.7% |
| 3Q19 | 7,245 | +0.7% |
| 2Q19 | 7,620 | +0.5% |
| 1Q19 | 8,090 | -1.7% |
| 4Q18 | 7,099 | +3.6% |
| 3Q18 | 7,193 | -1.3% |
| 2Q18 | 7,581 | -1.3% |
| 1Q18 | 8,228 | +0.5% |
| 4Q17 | 6,850 | +0.9% |
| 3Q17 | 7,288 | -0.1% |
| 2Q17 | 7,681 | - |
| 1Q17 | 8,189 | - |
| 4Q16 | 6,790 | - |
| 3Q16 | 7,294 | - |