| （単位：十億円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q26 | 1,007 | +6.7% |
| 3Q26 | 926 | +7.0% |
| 2Q26 | 883 | +8.8% |
| 1Q26 | 838 | +9.9% |
| 4Q25 | 944 | +10.0% |
| 3Q25 | 866 | +4.8% |
| 2Q25 | 812 | +7.9% |
| 1Q25 | 762 | +6.8% |
| 4Q24 | 858 | -7.9% |
| 3Q24 | 826 | -0.5% |
| 2Q24 | 753 | -0.3% |
| 1Q24 | 714 | +5.5% |
| 4Q23 | 932 | +13.3% |
| 3Q23 | 830 | +11.7% |
| 2Q23 | 755 | +12.9% |
| 1Q23 | 677 | +3.4% |
| 4Q22 | 823 | +6.3% |
| 3Q22 | 743 | 0.0% |
| 2Q22 | 668 | +8.7% |
| 1Q22 | 654 | +14.9% |
| 4Q21 | 774 | +13.9% |
| 3Q21 | 743 | +13.3% |
| 2Q21 | 615 | -1.0% |
| 1Q21 | 570 | -1.8% |
| 4Q20 | 680 | - |
| 3Q20 | 656 | - |
| 2Q20 | 621 | - |
| 1Q20 | 580 | - |