| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 22,752 | -1.6% |
| 1Q26 | 20,158 | -3.0% |
| 4Q25 | 23,779 | +0.6% |
| 3Q25 | 25,720 | -0.4% |
| 2Q25 | 23,113 | -3.9% |
| 1Q25 | 20,774 | -0.8% |
| 4Q24 | 23,641 | -8.2% |
| 3Q24 | 25,828 | -9.4% |
| 2Q24 | 24,048 | +8.5% |
| 1Q24 | 20,948 | +9.9% |
| 4Q23 | 25,757 | +16.9% |
| 3Q23 | 28,500 | +22.9% |
| 2Q23 | 22,155 | +18.3% |
| 1Q23 | 19,065 | +14.4% |
| 4Q22 | 22,032 | -5.9% |
| 3Q22 | 23,189 | -6.4% |
| 2Q22 | 18,723 | -16.1% |
| 1Q22 | 16,671 | -17.1% |
| 4Q21 | 23,409 | +2.6% |
| 3Q21 | 24,762 | +8.4% |
| 2Q21 | 22,313 | -0.6% |
| 1Q21 | 20,098 | +28.1% |
| 4Q20 | 22,814 | +4.8% |
| 3Q20 | 22,836 | -10.0% |
| 2Q20 | 22,447 | +7.5% |
| 1Q20 | 15,689 | -2.8% |
| 4Q19 | 21,763 | +0.4% |
| 3Q19 | 25,361 | +5.9% |
| 2Q19 | 20,879 | +5.5% |
| 1Q19 | 16,144 | -5.3% |
| 4Q18 | 21,676 | +5.4% |
| 3Q18 | 23,949 | +5.8% |
| 2Q18 | 19,799 | +1.1% |
| 1Q18 | 17,048 | +14.8% |
| 4Q17 | 20,562 | -8.0% |
| 3Q17 | 22,641 | -1.0% |
| 2Q17 | 19,588 | - |
| 1Q17 | 14,849 | - |
| 4Q16 | 22,360 | - |
| 3Q16 | 22,881 | - |