| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 2,301 | -1.8% |
| 4Q25 | 3,190 | -3.6% |
| 3Q25 | 1,993 | -12.4% |
| 2Q25 | 2,837 | +4.9% |
| 1Q25 | 2,343 | -20.5% |
| 4Q24 | 3,310 | +2.8% |
| 3Q24 | 2,275 | -4.5% |
| 2Q24 | 2,704 | -1.5% |
| 1Q24 | 2,947 | -14.4% |
| 4Q23 | 3,219 | -10.0% |
| 3Q23 | 2,383 | +5.3% |
| 2Q23 | 2,746 | -10.7% |
| 1Q23 | 3,444 | +32.7% |
| 4Q22 | 3,578 | -6.2% |
| 3Q22 | 2,263 | -11.0% |
| 2Q22 | 3,074 | -1.1% |
| 1Q22 | 2,595 | -7.6% |
| 4Q21 | 3,813 | -7.2% |
| 3Q21 | 2,543 | +4.4% |
| 2Q21 | 3,109 | -5.8% |
| 1Q21 | 2,808 | -13.2% |
| 4Q20 | 4,109 | -1.3% |
| 3Q20 | 2,436 | -9.7% |
| 2Q20 | 3,300 | -6.5% |
| 1Q20 | 3,236 | +9.3% |
| 4Q19 | 4,164 | +11.7% |
| 3Q19 | 2,699 | +14.8% |
| 2Q19 | 3,531 | +14.0% |
| 1Q19 | 2,960 | +28.0% |
| 4Q18 | 3,729 | +3.1% |
| 3Q18 | 2,350 | +3.6% |
| 2Q18 | 3,097 | +1.7% |
| 1Q18 | 2,313 | +5.6% |
| 4Q17 | 3,618 | +5.6% |
| 3Q17 | 2,269 | +5.3% |
| 2Q17 | 3,044 | +13.5% |
| 1Q17 | 2,190 | -22.2% |
| 4Q16 | 3,426 | - |
| 3Q16 | 2,154 | - |
| 2Q16 | 2,682 | - |
| 1Q16 | 2,814 | - |