| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,852 | -1.0% |
| 3Q25 | 1,742 | -8.0% |
| 2Q25 | 1,641 | - |
| 1Q25 | 2,444 | +7.3% |
| 4Q24 | 1,871 | +7.9% |
| 3Q24 | 1,894 | +8.6% |
| 1Q24 | 2,278 | +6.7% |
| 4Q23 | 1,735 | +3.0% |
| 3Q23 | 1,744 | +0.2% |
| 2Q23 | 1,581 | -4.8% |
| 1Q23 | 2,135 | +10.4% |
| 4Q22 | 1,685 | -5.4% |
| 3Q22 | 1,741 | +28.2% |
| 2Q22 | 1,660 | +31.7% |
| 1Q22 | 1,935 | +6.3% |
| 4Q21 | 1,780 | +1.7% |
| 3Q21 | 1,358 | -3.3% |
| 2Q21 | 1,261 | +121.0% |
| 1Q21 | 1,820 | -5.6% |
| 4Q20 | 1,751 | +38.8% |
| 3Q20 | 1,405 | -35.3% |
| 2Q20 | 570 | -66.2% |
| 1Q20 | 1,927 | -26.3% |
| 4Q19 | 1,261 | -34.6% |
| 3Q19 | 2,173 | +6.0% |
| 2Q19 | 1,688 | +6.4% |
| 1Q19 | 2,616 | -7.8% |
| 4Q18 | 1,929 | -8.2% |
| 3Q18 | 2,050 | -4.7% |
| 2Q18 | 1,586 | -16.2% |
| 1Q18 | 2,838 | +3.7% |
| 4Q17 | 2,101 | -2.5% |
| 3Q17 | 2,151 | -3.8% |
| 2Q17 | 1,894 | -1.0% |
| 1Q17 | 2,738 | -10.0% |
| 4Q16 | 2,156 | +8.0% |
| 3Q16 | 2,235 | - |
| 2Q16 | 1,912 | - |
| 1Q16 | 3,041 | - |
| 4Q15 | 1,996 | - |