| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 998 | -21.2% |
| 3Q25 | 935 | -22.6% |
| 2Q25 | 1,021 | -22.8% |
| 1Q25 | 1,167 | -21.8% |
| 4Q24 | 1,268 | +2.8% |
| 3Q24 | 1,208 | +4.3% |
| 2Q24 | 1,323 | +1.7% |
| 1Q24 | 1,492 | -12.1% |
| 4Q23 | 1,233 | -37.5% |
| 3Q23 | 1,158 | -30.3% |
| 2Q23 | 1,301 | -21.3% |
| 1Q23 | 1,698 | +9.4% |
| 4Q22 | 1,974 | +27.6% |
| 3Q22 | 1,661 | +16.3% |
| 2Q22 | 1,653 | +6.0% |
| 1Q22 | 1,551 | -11.0% |
| 4Q21 | 1,546 | -7.7% |
| 3Q21 | 1,428 | -5.8% |
| 2Q21 | 1,559 | -3.0% |
| 1Q21 | 1,744 | +8.7% |
| 4Q20 | 1,675 | -0.0% |
| 3Q20 | 1,517 | -16.4% |
| 2Q20 | 1,606 | -10.1% |
| 1Q20 | 1,604 | -16.2% |
| 4Q19 | 1,676 | -13.2% |
| 3Q19 | 1,815 | -4.7% |
| 2Q19 | 1,787 | -9.5% |
| 1Q19 | 1,915 | +18.4% |
| 4Q18 | 1,930 | +7.5% |
| 3Q18 | 1,905 | -2.2% |
| 2Q18 | 1,975 | +0.9% |
| 1Q18 | 1,618 | -3.3% |
| 4Q17 | 1,794 | +28.0% |
| 3Q17 | 1,948 | +99.5% |
| 2Q17 | 1,958 | - |
| 1Q17 | 1,674 | +84.0% |
| 4Q16 | 1,401 | - |
| 3Q16 | 976 | - |
| 1Q16 | 910 | - |