| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 624 | -5.7% |
| 1Q25 | 569 | -4.8% |
| 4Q24 | 662 | -2.5% |
| 3Q24 | 603 | -5.5% |
| 2Q24 | 655 | +2.5% |
| 1Q24 | 598 | -8.0% |
| 4Q23 | 679 | -10.3% |
| 3Q23 | 638 | +8.3% |
| 2Q23 | 639 | +7.9% |
| 1Q23 | 650 | +12.8% |
| 4Q22 | 757 | +14.5% |
| 3Q22 | 589 | +5.2% |
| 2Q22 | 592 | -8.8% |
| 1Q22 | 576 | -13.9% |
| 4Q21 | 661 | -0.2% |
| 3Q21 | 560 | -10.4% |
| 2Q21 | 649 | -1.4% |
| 1Q21 | 669 | -1.5% |
| 4Q20 | 662 | -17.9% |
| 3Q20 | 625 | -16.4% |
| 2Q20 | 658 | -11.9% |
| 1Q20 | 679 | -14.6% |
| 4Q19 | 806 | -6.4% |
| 3Q19 | 748 | -20.1% |
| 2Q19 | 747 | -42.4% |
| 1Q19 | 795 | -25.1% |
| 4Q18 | 861 | -43.6% |
| 3Q18 | 936 | -33.1% |
| 2Q18 | 1,295 | -14.6% |
| 1Q18 | 1,062 | -21.5% |
| 4Q17 | 1,528 | +3.9% |
| 3Q17 | 1,401 | -3.0% |
| 2Q17 | 1,517 | +5.9% |
| 1Q17 | 1,352 | -4.9% |
| 4Q16 | 1,470 | -6.8% |
| 3Q16 | 1,444 | - |
| 2Q16 | 1,432 | - |
| 1Q16 | 1,422 | - |
| 4Q15 | 1,576 | - |