| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 3,234 | +4.5% |
| 3Q25 | 3,115 | -4.7% |
| 2Q25 | 3,071 | -4.8% |
| 1Q25 | 3,093 | +1.7% |
| 4Q24 | 3,295 | -0.9% |
| 3Q24 | 3,268 | +9.9% |
| 2Q24 | 3,227 | +9.6% |
| 1Q24 | 3,042 | +4.7% |
| 4Q23 | 3,326 | +9.5% |
| 3Q23 | 2,973 | +2.5% |
| 2Q23 | 2,944 | +7.2% |
| 1Q23 | 2,906 | +4.2% |
| 4Q22 | 3,036 | -3.5% |
| 3Q22 | 2,900 | +2.1% |
| 2Q22 | 2,746 | +2.2% |
| 1Q22 | 2,790 | +2.0% |
| 4Q21 | 3,147 | +6.3% |
| 3Q21 | 2,841 | +2.1% |
| 2Q21 | 2,686 | -7.5% |
| 1Q21 | 2,736 | +2.8% |
| 4Q20 | 2,962 | -3.6% |
| 3Q20 | 2,783 | +3.9% |
| 2Q20 | 2,904 | +12.9% |
| 1Q20 | 2,663 | +1.4% |
| 4Q19 | 3,071 | +9.3% |
| 3Q19 | 2,679 | +8.8% |
| 2Q19 | 2,573 | +14.2% |
| 1Q19 | 2,625 | +14.1% |
| 4Q18 | 2,809 | +19.8% |
| 3Q18 | 2,462 | +16.7% |
| 2Q18 | 2,253 | +9.1% |
| 1Q18 | 2,301 | +13.1% |
| 4Q17 | 2,344 | +8.2% |
| 3Q17 | 2,110 | +3.5% |
| 2Q17 | 2,065 | -4.0% |
| 1Q17 | 2,034 | +3.3% |
| 4Q16 | 2,166 | - |
| 3Q16 | 2,039 | - |
| 2Q16 | 2,152 | - |
| 1Q16 | 1,969 | - |