| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 6,975 | +9.9% |
| 3Q25 | 5,791 | +9.1% |
| 2Q25 | 6,496 | +21.0% |
| 1Q25 | 6,029 | +7.2% |
| 4Q24 | 6,349 | -2.1% |
| 3Q24 | 5,306 | -2.2% |
| 2Q24 | 5,368 | -11.4% |
| 1Q24 | 5,625 | -16.3% |
| 4Q23 | 6,483 | -12.4% |
| 3Q23 | 5,426 | +11.7% |
| 2Q23 | 6,060 | +6.8% |
| 1Q23 | 6,717 | +18.3% |
| 4Q22 | 7,403 | +23.2% |
| 3Q22 | 4,857 | -0.3% |
| 2Q22 | 5,674 | -3.5% |
| 1Q22 | 5,677 | +8.6% |
| 4Q21 | 6,011 | +24.0% |
| 3Q21 | 4,871 | +10.9% |
| 2Q21 | 5,877 | +39.1% |
| 1Q21 | 5,228 | +13.3% |
| 4Q20 | 4,849 | +2.3% |
| 3Q20 | 4,392 | +6.3% |
| 2Q20 | 4,224 | +1.3% |
| 1Q20 | 4,616 | +4.2% |
| 4Q19 | 4,739 | -12.2% |
| 3Q19 | 4,133 | -0.2% |
| 2Q19 | 4,169 | +10.2% |
| 1Q19 | 4,429 | +9.2% |
| 4Q18 | 5,397 | +13.1% |
| 3Q18 | 4,140 | +16.2% |
| 2Q18 | 3,784 | -16.0% |
| 1Q18 | 4,057 | -6.6% |
| 4Q17 | 4,770 | -1.6% |
| 3Q17 | 3,563 | -10.4% |
| 2Q17 | 4,506 | - |
| 1Q17 | 4,341 | - |
| 4Q16 | 4,847 | - |
| 3Q16 | 3,975 | - |