| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 11,405 | +4.7% |
| 3Q25 | 9,565 | -9.6% |
| 2Q25 | 12,050 | +0.3% |
| 1Q25 | 11,976 | -11.1% |
| 4Q24 | 10,889 | -17.5% |
| 3Q24 | 10,577 | -28.3% |
| 2Q24 | 12,014 | -20.1% |
| 1Q24 | 13,466 | -8.6% |
| 4Q23 | 13,203 | -14.1% |
| 3Q23 | 14,753 | +14.5% |
| 2Q23 | 15,044 | +28.9% |
| 1Q23 | 14,730 | +20.4% |
| 4Q22 | 15,362 | +30.1% |
| 3Q22 | 12,882 | +16.9% |
| 2Q22 | 11,670 | +29.9% |
| 1Q22 | 12,239 | +55.3% |
| 4Q21 | 11,805 | +40.7% |
| 3Q21 | 11,023 | +18.0% |
| 2Q21 | 8,986 | -2.1% |
| 1Q21 | 7,882 | -29.2% |
| 4Q20 | 8,389 | -27.9% |
| 3Q20 | 9,340 | -31.6% |
| 2Q20 | 9,181 | -19.5% |
| 1Q20 | 11,138 | -2.9% |
| 4Q19 | 11,634 | -18.7% |
| 3Q19 | 13,659 | +26.3% |
| 2Q19 | 11,408 | +1.5% |
| 1Q19 | 11,470 | +8.9% |
| 4Q18 | 14,308 | +28.0% |
| 3Q18 | 10,811 | +6.0% |
| 2Q18 | 11,237 | +14.2% |
| 1Q18 | 10,533 | +16.9% |
| 4Q17 | 11,182 | +11.2% |
| 3Q17 | 10,197 | +11.8% |
| 2Q17 | 9,843 | +11.0% |
| 1Q17 | 9,014 | -2.5% |
| 4Q16 | 10,052 | -9.7% |
| 3Q16 | 9,122 | - |
| 2Q16 | 8,867 | - |
| 1Q16 | 9,248 | - |
| 4Q15 | 11,129 | - |