| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 683 | -1.9% |
| 3Q25 | 718 | -6.1% |
| 2Q25 | 719 | -8.1% |
| 1Q25 | 701 | -10.8% |
| 4Q24 | 696 | -7.0% |
| 3Q24 | 765 | +2.5% |
| 2Q24 | 782 | +1.4% |
| 1Q24 | 786 | +3.4% |
| 4Q23 | 748 | +15.3% |
| 3Q23 | 746 | +25.2% |
| 2Q23 | 771 | +24.8% |
| 1Q23 | 760 | +9.2% |
| 4Q22 | 649 | -1.4% |
| 3Q22 | 596 | -6.0% |
| 2Q22 | 618 | -20.1% |
| 1Q22 | 696 | +3.3% |
| 4Q21 | 658 | -5.6% |
| 3Q21 | 634 | -11.1% |
| 2Q21 | 773 | +12.5% |
| 1Q21 | 674 | -0.9% |
| 4Q20 | 697 | +19.8% |
| 3Q20 | 713 | +20.2% |
| 2Q20 | 687 | +13.6% |
| 1Q20 | 680 | +15.1% |
| 4Q19 | 582 | +15.0% |
| 3Q19 | 593 | -24.2% |
| 2Q19 | 605 | -30.7% |
| 1Q19 | 591 | -44.5% |
| 4Q18 | 506 | -52.5% |
| 3Q18 | 782 | -30.7% |
| 2Q18 | 873 | -31.4% |
| 1Q18 | 1,065 | -22.2% |
| 4Q17 | 1,066 | -22.6% |
| 3Q17 | 1,129 | -19.9% |
| 2Q17 | 1,272 | - |
| 1Q17 | 1,369 | - |
| 4Q16 | 1,377 | - |
| 3Q16 | 1,409 | - |