| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 3,024 | -6.1% |
| 4Q25 | 2,674 | -4.0% |
| 1Q25 | 3,220 | -5.3% |
| 4Q24 | 2,786 | -4.8% |
| 3Q24 | 2,765 | -6.3% |
| 2Q24 | 3,142 | -7.1% |
| 1Q24 | 3,401 | -7.8% |
| 4Q23 | 2,927 | -12.4% |
| 3Q23 | 2,952 | -7.5% |
| 2Q23 | 3,381 | -8.6% |
| 1Q23 | 3,689 | -11.3% |
| 4Q22 | 3,342 | -18.4% |
| 3Q22 | 3,190 | -20.0% |
| 2Q22 | 3,697 | -24.1% |
| 1Q22 | 4,158 | -23.8% |
| 4Q21 | 4,096 | -14.5% |
| 3Q21 | 3,988 | -22.5% |
| 2Q21 | 4,869 | -13.8% |
| 1Q21 | 5,454 | -0.7% |
| 4Q20 | 4,789 | -4.5% |
| 3Q20 | 5,147 | +7.7% |
| 2Q20 | 5,650 | +3.5% |
| 1Q20 | 5,492 | -10.7% |
| 4Q19 | 5,015 | -10.0% |
| 3Q19 | 4,778 | -13.7% |
| 2Q19 | 5,459 | -5.8% |
| 1Q19 | 6,148 | +2.1% |
| 4Q18 | 5,573 | +19.7% |
| 3Q18 | 5,535 | +10.9% |
| 2Q18 | 5,796 | +16.6% |
| 1Q18 | 6,022 | +0.3% |
| 4Q17 | 4,654 | -0.7% |
| 3Q17 | 4,990 | +3.4% |
| 2Q17 | 4,970 | -7.4% |
| 1Q17 | 6,002 | -0.9% |
| 4Q16 | 4,687 | -8.0% |
| 3Q16 | 4,824 | - |
| 2Q16 | 5,369 | - |
| 1Q16 | 6,055 | - |
| 4Q15 | 5,094 | - |