| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 50,548 | +22.5% |
| 3Q25 | 47,951 | +25.6% |
| 2Q25 | 44,078 | +13.4% |
| 1Q25 | 41,990 | +11.9% |
| 4Q24 | 41,248 | +14.0% |
| 3Q24 | 38,166 | +12.6% |
| 2Q24 | 38,856 | +14.5% |
| 1Q24 | 37,526 | +24.2% |
| 4Q23 | 36,188 | +13.4% |
| 3Q23 | 33,887 | +3.1% |
| 2Q23 | 33,931 | +6.5% |
| 1Q23 | 30,223 | -10.2% |
| 4Q22 | 31,915 | +9.4% |
| 3Q22 | 32,856 | +20.9% |
| 2Q22 | 31,847 | +13.9% |
| 1Q22 | 33,668 | +28.2% |
| 4Q21 | 29,176 | +16.7% |
| 3Q21 | 27,180 | +34.6% |
| 2Q21 | 27,954 | +11.1% |
| 1Q21 | 26,267 | -2.3% |
| 4Q20 | 24,999 | - |
| 3Q20 | 20,197 | - |
| 2Q20 | 25,159 | - |
| 1Q20 | 26,890 | - |