| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 1,421 | +1.4% |
| 1Q26 | 681 | -4.7% |
| 4Q25 | 1,167 | -5.3% |
| 3Q25 | 1,471 | +6.6% |
| 2Q25 | 1,401 | +0.3% |
| 1Q25 | 714 | -26.7% |
| 4Q24 | 1,233 | -12.4% |
| 3Q24 | 1,379 | -10.8% |
| 2Q24 | 1,397 | +14.1% |
| 1Q24 | 975 | +18.5% |
| 4Q23 | 1,407 | -1.5% |
| 3Q23 | 1,547 | +14.2% |
| 2Q23 | 1,224 | -4.1% |
| 1Q23 | 823 | +17.0% |
| 4Q22 | 1,428 | +6.7% |
| 3Q22 | 1,354 | +0.5% |
| 2Q22 | 1,277 | +4.3% |
| 1Q22 | 703 | +6.0% |
| 4Q21 | 1,338 | -6.5% |
| 3Q21 | 1,347 | -4.0% |
| 2Q21 | 1,224 | -21.2% |
| 1Q21 | 664 | -26.8% |
| 4Q20 | 1,431 | +15.1% |
| 3Q20 | 1,403 | -13.0% |
| 2Q20 | 1,554 | +15.2% |
| 1Q20 | 906 | -0.1% |
| 4Q19 | 1,243 | -10.5% |
| 3Q19 | 1,612 | +2.7% |
| 2Q19 | 1,349 | +6.7% |
| 1Q19 | 907 | +1.3% |
| 4Q18 | 1,389 | +3.1% |
| 3Q18 | 1,569 | -2.1% |
| 2Q18 | 1,264 | +3.8% |
| 1Q18 | 896 | +37.9% |
| 4Q17 | 1,347 | +2.4% |
| 3Q17 | 1,602 | +3.7% |
| 2Q17 | 1,218 | - |
| 1Q17 | 649 | - |
| 4Q16 | 1,315 | - |
| 3Q16 | 1,546 | - |