| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 12,344 | +11.0% |
| 3Q25 | 10,222 | +8.9% |
| 2Q25 | 10,330 | +14.4% |
| 1Q25 | 9,668 | +14.4% |
| 4Q24 | 11,122 | +13.7% |
| 3Q24 | 9,387 | +8.8% |
| 2Q24 | 9,028 | -0.3% |
| 1Q24 | 8,448 | +1.1% |
| 4Q23 | 9,781 | -0.7% |
| 3Q23 | 8,625 | +2.0% |
| 2Q23 | 9,052 | +3.2% |
| 1Q23 | 8,360 | +17.0% |
| 4Q22 | 9,849 | +23.2% |
| 3Q22 | 8,453 | +28.3% |
| 2Q22 | 8,770 | +30.6% |
| 1Q22 | 7,148 | +20.0% |
| 4Q21 | 7,997 | +4.0% |
| 3Q21 | 6,588 | +19.4% |
| 2Q21 | 6,713 | +53.9% |
| 1Q21 | 5,959 | -27.3% |
| 4Q20 | 7,687 | -28.8% |
| 3Q20 | 5,516 | -44.2% |
| 2Q20 | 4,361 | -57.1% |
| 1Q20 | 8,193 | -10.5% |
| 4Q19 | 10,794 | -1.4% |
| 3Q19 | 9,891 | -0.6% |
| 2Q19 | 10,172 | -3.3% |
| 1Q19 | 9,157 | -0.2% |
| 4Q18 | 10,952 | -0.1% |
| 3Q18 | 9,949 | +5.0% |
| 2Q18 | 10,524 | +8.4% |
| 1Q18 | 9,173 | +7.0% |
| 4Q17 | 10,960 | +5.3% |
| 3Q17 | 9,478 | +3.6% |
| 2Q17 | 9,705 | -1.1% |
| 1Q17 | 8,570 | -2.2% |
| 4Q16 | 10,405 | +2.2% |
| 3Q16 | 9,146 | - |
| 2Q16 | 9,814 | - |
| 1Q16 | 8,760 | - |
| 4Q15 | 10,185 | - |