| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,661 | +3.0% |
| 3Q25 | 1,744 | -0.8% |
| 2Q25 | 1,710 | +9.5% |
| 1Q25 | 1,801 | +5.0% |
| 4Q24 | 1,612 | -5.8% |
| 3Q24 | 1,758 | +8.9% |
| 2Q24 | 1,561 | -2.9% |
| 1Q24 | 1,716 | -1.8% |
| 4Q23 | 1,711 | +1.1% |
| 3Q23 | 1,615 | +0.1% |
| 2Q23 | 1,608 | +10.9% |
| 1Q23 | 1,747 | +14.7% |
| 4Q22 | 1,693 | +25.4% |
| 3Q22 | 1,614 | +4.7% |
| 2Q22 | 1,450 | -1.6% |
| 1Q22 | 1,522 | +12.0% |
| 4Q21 | 1,350 | +25.1% |
| 3Q21 | 1,541 | +36.2% |
| 2Q21 | 1,474 | +37.6% |
| 1Q21 | 1,359 | -1.2% |
| 4Q20 | 1,079 | -10.1% |
| 3Q20 | 1,131 | -15.1% |
| 2Q20 | 1,071 | -11.0% |
| 1Q20 | 1,376 | -1.7% |
| 4Q19 | 1,199 | +6.3% |
| 3Q19 | 1,333 | +18.7% |
| 2Q19 | 1,204 | -5.8% |
| 1Q19 | 1,400 | +17.9% |
| 4Q18 | 1,128 | -13.1% |
| 3Q18 | 1,123 | +30.3% |
| 2Q18 | 1,277 | +31.7% |
| 1Q18 | 1,187 | +34.7% |
| 4Q17 | 1,299 | +28.7% |
| 3Q17 | 861 | -8.1% |
| 2Q17 | 970 | +6.3% |
| 1Q17 | 881 | -22.3% |
| 4Q16 | 1,009 | -16.6% |
| 3Q16 | 937 | - |
| 2Q16 | 913 | - |
| 1Q16 | 1,133 | - |
| 4Q15 | 1,210 | - |