| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,430 | +22.5% |
| 3Q25 | 1,273 | +10.2% |
| 2Q25 | 1,382 | +29.3% |
| 1Q25 | 990 | -5.6% |
| 4Q24 | 1,167 | +14.8% |
| 3Q24 | 1,156 | +22.5% |
| 2Q24 | 1,069 | +3.2% |
| 1Q24 | 1,049 | -6.3% |
| 4Q23 | 1,017 | -4.9% |
| 3Q23 | 944 | -11.0% |
| 2Q23 | 1,036 | -2.2% |
| 1Q23 | 1,120 | +12.9% |
| 4Q22 | 1,070 | +6.1% |
| 3Q22 | 1,060 | +45.0% |
| 2Q22 | 1,060 | +42.1% |
| 1Q22 | 992 | +43.1% |
| 4Q21 | 1,008 | +9.8% |
| 3Q21 | 731 | +6.6% |
| 2Q21 | 746 | +23.1% |
| 1Q21 | 693 | +6.5% |
| 4Q20 | 918 | +12.4% |
| 3Q20 | 686 | -15.2% |
| 2Q20 | 606 | -8.2% |
| 1Q20 | 651 | -15.0% |
| 4Q19 | 817 | +0.7% |
| 3Q19 | 809 | +21.9% |
| 2Q19 | 660 | -13.2% |
| 1Q19 | 765 | +6.9% |
| 4Q18 | 811 | +2.9% |
| 3Q18 | 663 | -18.2% |
| 2Q18 | 760 | +5.2% |
| 1Q18 | 716 | -4.9% |
| 4Q17 | 788 | - |
| 3Q17 | 811 | - |
| 2Q17 | 723 | - |
| 1Q17 | 752 | - |