| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 35,082 | -1.5% |
| 1Q26 | 34,808 | -1.7% |
| 4Q25 | 35,471 | +3.2% |
| 3Q25 | 35,941 | +0.7% |
| 2Q25 | 35,617 | +0.7% |
| 1Q25 | 35,422 | -2.2% |
| 4Q24 | 34,382 | +1.6% |
| 3Q24 | 35,694 | +3.1% |
| 2Q24 | 35,374 | +5.7% |
| 1Q24 | 36,202 | +10.9% |
| 4Q23 | 33,852 | +16.7% |
| 3Q23 | 34,632 | +26.3% |
| 2Q23 | 33,451 | +23.0% |
| 1Q23 | 32,635 | +28.7% |
| 4Q22 | 29,008 | +19.9% |
| 3Q22 | 27,413 | +22.5% |
| 2Q22 | 27,196 | +13.8% |
| 1Q22 | 25,352 | +12.0% |
| 4Q21 | 24,191 | -5.8% |
| 3Q21 | 22,382 | -20.1% |
| 2Q21 | 23,905 | -16.4% |
| 1Q21 | 22,627 | -21.0% |
| 4Q20 | 25,670 | -5.9% |
| 3Q20 | 28,007 | -6.8% |
| 2Q20 | 28,588 | -3.1% |
| 1Q20 | 28,655 | +0.4% |
| 4Q19 | 27,288 | -0.9% |
| 3Q19 | 30,038 | +19.1% |
| 2Q19 | 29,506 | +26.0% |
| 1Q19 | 28,551 | +20.3% |
| 4Q18 | 27,548 | +27.4% |
| 3Q18 | 25,231 | +11.8% |
| 2Q18 | 23,426 | +12.9% |
| 1Q18 | 23,725 | +11.8% |
| 4Q17 | 21,626 | -4.7% |
| 3Q17 | 22,572 | -4.8% |
| 2Q17 | 20,741 | - |
| 1Q17 | 21,222 | - |
| 4Q16 | 22,701 | - |
| 3Q16 | 23,719 | - |