| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q26 | 50,012 | +2.0% |
| 3Q26 | 44,250 | +1.7% |
| 4Q25 | 49,041 | +4.5% |
| 3Q25 | 43,509 | +7.4% |
| 2Q25 | 45,811 | +16.3% |
| 1Q25 | 46,025 | +10.2% |
| 4Q24 | 46,912 | +16.4% |
| 3Q24 | 40,522 | +13.0% |
| 2Q24 | 39,399 | +23.3% |
| 1Q24 | 41,770 | +29.1% |
| 4Q23 | 40,286 | +28.1% |
| 3Q23 | 35,869 | +22.5% |
| 2Q23 | 31,960 | +11.3% |
| 1Q23 | 32,365 | +9.3% |
| 4Q22 | 31,457 | +1.2% |
| 3Q22 | 29,272 | +3.3% |
| 2Q22 | 28,728 | -2.5% |
| 1Q22 | 29,601 | +40.2% |
| 4Q21 | 31,097 | -7.4% |
| 3Q21 | 28,344 | -5.9% |
| 2Q21 | 29,453 | -3.3% |
| 1Q21 | 21,110 | -39.6% |
| 4Q20 | 33,571 | -3.4% |
| 3Q20 | 30,126 | -1.2% |
| 2Q20 | 30,467 | +5.0% |
| 1Q20 | 34,923 | +9.5% |
| 4Q19 | 34,755 | +10.5% |
| 3Q19 | 30,491 | +9.3% |
| 2Q19 | 29,006 | +2.1% |
| 1Q19 | 31,906 | +3.3% |
| 4Q18 | 31,453 | +11.2% |
| 3Q18 | 27,887 | +8.8% |
| 2Q18 | 28,404 | +6.7% |
| 1Q18 | 30,887 | +4.5% |
| 4Q17 | 28,277 | -6.4% |
| 3Q17 | 25,633 | -3.7% |
| 2Q17 | 26,614 | - |
| 1Q17 | 29,544 | - |
| 4Q16 | 30,214 | - |
| 3Q16 | 26,606 | - |