| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 931 | -6.1% |
| 3Q25 | 1,030 | - |
| 2Q25 | 966 | +4.5% |
| 1Q25 | 991 | +11.2% |
| 4Q24 | 1,007 | +4.0% |
| 2Q24 | 925 | +4.1% |
| 1Q24 | 891 | +8.0% |
| 4Q23 | 968 | +8.5% |
| 3Q23 | 1,017 | +17.8% |
| 2Q23 | 888 | +14.5% |
| 1Q23 | 825 | +5.4% |
| 4Q22 | 892 | +10.6% |
| 3Q22 | 863 | +5.9% |
| 2Q22 | 775 | +2.9% |
| 1Q22 | 783 | +10.5% |
| 4Q21 | 807 | -1.6% |
| 3Q21 | 815 | -14.2% |
| 2Q21 | 753 | - |
| 1Q21 | 708 | -5.7% |
| 4Q20 | 819 | +1.6% |
| 3Q20 | 950 | +18.3% |
| 1Q20 | 751 | +4.0% |
| 4Q19 | 806 | +11.1% |
| 3Q19 | 803 | +4.2% |
| 2Q19 | 726 | +3.5% |
| 1Q19 | 722 | +8.8% |
| 4Q18 | 725 | +7.5% |
| 3Q18 | 771 | +10.9% |
| 2Q18 | 701 | +8.9% |
| 1Q18 | 664 | +8.7% |
| 4Q17 | 674 | +3.8% |
| 3Q17 | 695 | +3.9% |
| 2Q17 | 644 | +7.2% |
| 1Q17 | 611 | +0.1% |
| 4Q16 | 650 | - |
| 3Q16 | 669 | - |
| 2Q16 | 601 | - |
| 1Q16 | 611 | - |