| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,857 | -3.8% |
| 3Q25 | 1,585 | -7.9% |
| 2Q25 | 1,908 | -8.6% |
| 1Q25 | 1,793 | -6.7% |
| 4Q24 | 1,932 | -7.6% |
| 3Q24 | 1,721 | -11.5% |
| 2Q24 | 2,088 | -2.7% |
| 1Q24 | 1,921 | -12.2% |
| 4Q23 | 2,091 | -11.4% |
| 3Q23 | 1,945 | -12.1% |
| 2Q23 | 2,146 | +6.0% |
| 1Q23 | 2,188 | +12.1% |
| 4Q22 | 2,361 | -0.4% |
| 3Q22 | 2,214 | -11.1% |
| 2Q22 | 2,025 | -20.4% |
| 1Q22 | 1,952 | +34.1% |
| 4Q21 | 2,371 | -12.0% |
| 3Q21 | 2,491 | 0.0% |
| 2Q21 | 2,545 | -9.4% |
| 1Q21 | 1,456 | -46.5% |
| 4Q20 | 2,694 | -0.7% |
| 3Q20 | 2,491 | +4.4% |
| 2Q20 | 2,809 | +4.9% |
| 1Q20 | 2,720 | +7.4% |
| 4Q19 | 2,713 | +5.0% |
| 3Q19 | 2,386 | - |
| 2Q19 | 2,677 | -2.1% |
| 1Q19 | 2,532 | -2.9% |
| 4Q18 | 2,585 | -2.0% |
| 2Q18 | 2,735 | -7.5% |
| 1Q18 | 2,609 | -9.3% |
| 4Q17 | 2,638 | -12.5% |
| 3Q17 | 2,501 | -10.3% |
| 2Q17 | 2,958 | - |
| 1Q17 | 2,875 | - |
| 4Q16 | 3,016 | - |
| 3Q16 | 2,789 | - |