| （単位：十億円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q26 | 1,179 | +11.4% |
| 3Q26 | 960 | +2.4% |
| 2Q26 | 968 | +5.3% |
| 1Q26 | 898 | -1.8% |
| 4Q25 | 1,058 | +1.4% |
| 3Q25 | 938 | +8.3% |
| 2Q25 | 919 | -1.6% |
| 1Q25 | 914 | +5.3% |
| 4Q24 | 1,044 | +2.9% |
| 3Q24 | 867 | -0.6% |
| 2Q24 | 934 | -0.0% |
| 1Q24 | 867 | +11.7% |
| 4Q23 | 1,014 | +6.9% |
| 3Q23 | 872 | +16.4% |
| 2Q23 | 934 | +22.0% |
| 1Q23 | 776 | +3.8% |
| 4Q22 | 949 | +6.2% |
| 3Q22 | 749 | +1.4% |
| 2Q22 | 766 | +0.2% |
| 1Q22 | 748 | +20.6% |
| 4Q21 | 893 | +2.9% |
| 3Q21 | 739 | -4.0% |
| 2Q21 | 764 | -5.9% |
| 1Q21 | 620 | -17.3% |
| 4Q20 | 868 | - |
| 3Q20 | 770 | - |
| 2Q20 | 812 | - |
| 1Q20 | 750 | - |