| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,960 | -2.8% |
| 1Q25 | 1,613 | -1.7% |
| 4Q24 | 2,016 | +0.9% |
| 3Q24 | 1,820 | +13.2% |
| 2Q24 | 1,828 | +3.2% |
| 1Q24 | 1,641 | -4.5% |
| 4Q23 | 1,998 | +0.4% |
| 3Q23 | 1,608 | -7.1% |
| 2Q23 | 1,771 | +10.3% |
| 1Q23 | 1,719 | +11.5% |
| 4Q22 | 1,990 | +9.8% |
| 3Q22 | 1,731 | +14.4% |
| 2Q22 | 1,606 | -0.6% |
| 1Q22 | 1,542 | +8.0% |
| 4Q21 | 1,811 | +17.8% |
| 3Q21 | 1,512 | +27.7% |
| 2Q21 | 1,616 | +20.8% |
| 1Q21 | 1,427 | +2.4% |
| 4Q20 | 1,537 | -1.0% |
| 3Q20 | 1,184 | -20.3% |
| 2Q20 | 1,338 | -18.6% |
| 1Q20 | 1,393 | -6.5% |
| 4Q19 | 1,553 | -9.6% |
| 3Q19 | 1,485 | -3.2% |
| 2Q19 | 1,644 | +3.6% |
| 1Q19 | 1,489 | +4.6% |
| 4Q18 | 1,718 | +9.0% |
| 3Q18 | 1,533 | +17.6% |
| 2Q18 | 1,587 | +3.6% |
| 1Q18 | 1,424 | +5.8% |
| 4Q17 | 1,575 | +5.5% |
| 3Q17 | 1,304 | -2.3% |
| 2Q17 | 1,532 | +8.8% |
| 1Q17 | 1,347 | +8.9% |
| 4Q16 | 1,494 | +1.3% |
| 3Q16 | 1,334 | - |
| 2Q16 | 1,408 | - |
| 1Q16 | 1,236 | - |
| 4Q15 | 1,474 | - |