| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 5,036 | -9.1% |
| 4Q25 | 7,133 | -1.9% |
| 3Q25 | 6,130 | -5.8% |
| 2Q25 | 5,974 | -8.1% |
| 1Q25 | 5,538 | +11.8% |
| 4Q24 | 7,275 | +8.7% |
| 3Q24 | 6,509 | +0.8% |
| 2Q24 | 6,499 | -1.8% |
| 1Q24 | 4,953 | -8.9% |
| 4Q23 | 6,694 | +0.8% |
| 3Q23 | 6,456 | -0.3% |
| 2Q23 | 6,616 | +24.8% |
| 1Q23 | 5,438 | +14.7% |
| 4Q22 | 6,642 | +14.4% |
| 3Q22 | 6,476 | +6.1% |
| 2Q22 | 5,300 | +3.0% |
| 1Q22 | 4,741 | -1.8% |
| 4Q21 | 5,804 | +6.7% |
| 3Q21 | 6,106 | +7.6% |
| 2Q21 | 5,143 | +3.4% |
| 1Q21 | 4,828 | +8.1% |
| 4Q20 | 5,442 | -5.5% |
| 3Q20 | 5,673 | -1.4% |
| 2Q20 | 4,972 | -4.1% |
| 1Q20 | 4,467 | +0.4% |
| 4Q19 | 5,758 | -0.2% |
| 3Q19 | 5,753 | +0.3% |
| 2Q19 | 5,187 | -1.0% |
| 1Q19 | 4,449 | -0.0% |
| 4Q18 | 5,772 | -3.7% |
| 3Q18 | 5,738 | -1.2% |
| 2Q18 | 5,240 | -4.6% |
| 1Q18 | 4,449 | +0.8% |
| 4Q17 | 5,996 | +2.3% |
| 3Q17 | 5,805 | -4.0% |
| 2Q17 | 5,490 | +13.3% |
| 1Q17 | 4,412 | -8.6% |
| 4Q16 | 5,863 | - |
| 3Q16 | 6,049 | - |
| 2Q16 | 4,846 | - |
| 1Q16 | 4,826 | - |