| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 38,395 | +5.7% |
| 3Q25 | 35,674 | -1.2% |
| 2Q25 | 33,822 | -8.7% |
| 1Q25 | 32,733 | -3.4% |
| 4Q24 | 36,329 | +2.0% |
| 3Q24 | 36,110 | +1.5% |
| 2Q24 | 37,027 | +11.0% |
| 1Q24 | 33,870 | +13.0% |
| 4Q23 | 35,626 | +13.1% |
| 3Q23 | 35,567 | +9.5% |
| 2Q23 | 33,347 | +14.1% |
| 1Q23 | 29,978 | +15.2% |
| 4Q22 | 31,509 | +28.2% |
| 3Q22 | 32,477 | +36.8% |
| 2Q22 | 29,229 | +17.2% |
| 1Q22 | 26,028 | +4.5% |
| 4Q21 | 24,576 | +4.5% |
| 3Q21 | 23,747 | -1.0% |
| 2Q21 | 24,942 | +80.9% |
| 1Q21 | 24,915 | +22.8% |
| 4Q20 | 23,512 | +11.1% |
| 3Q20 | 23,986 | +1.6% |
| 2Q20 | 13,790 | -40.4% |
| 1Q20 | 20,288 | -11.3% |
| 4Q19 | 21,160 | -9.8% |
| 3Q19 | 23,615 | -6.7% |
| 2Q19 | 23,141 | -8.2% |
| 1Q19 | 22,860 | -7.8% |
| 4Q18 | 23,468 | -9.4% |
| 3Q18 | 25,316 | +0.4% |
| 2Q18 | 25,204 | +5.6% |
| 1Q18 | 24,800 | +0.6% |
| 4Q17 | 25,890 | +4.0% |
| 3Q17 | 25,217 | +10.0% |
| 2Q17 | 23,868 | +4.1% |
| 1Q17 | 24,644 | +3.7% |
| 4Q16 | 24,891 | -0.5% |
| 3Q16 | 22,932 | - |
| 2Q16 | 22,919 | - |
| 1Q16 | 23,768 | - |
| 4Q15 | 25,011 | - |