| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 28,025 | -11.8% |
| 2Q26 | 26,468 | -7.4% |
| 1Q26 | 28,222 | -1.4% |
| 4Q25 | 30,054 | -0.7% |
| 3Q25 | 31,758 | -1.9% |
| 2Q25 | 28,570 | -8.3% |
| 1Q25 | 28,619 | +5.3% |
| 4Q24 | 30,263 | -5.8% |
| 3Q24 | 32,369 | -3.2% |
| 2Q24 | 31,164 | +0.3% |
| 1Q24 | 27,189 | -1.0% |
| 4Q23 | 32,117 | +10.1% |
| 3Q23 | 33,438 | +18.2% |
| 2Q23 | 31,071 | +24.5% |
| 1Q23 | 27,451 | +22.3% |
| 4Q22 | 29,180 | +3.7% |
| 3Q22 | 28,293 | +11.7% |
| 2Q22 | 24,951 | +2.6% |
| 1Q22 | 22,439 | +1.9% |
| 4Q21 | 28,142 | -7.6% |
| 3Q21 | 25,321 | -10.2% |
| 2Q21 | 24,329 | -19.0% |
| 1Q21 | 22,013 | -23.2% |
| 4Q20 | 30,454 | -9.5% |
| 3Q20 | 28,184 | -14.8% |
| 2Q20 | 30,034 | -7.7% |
| 1Q20 | 28,667 | -6.9% |
| 4Q19 | 33,664 | -5.2% |
| 3Q19 | 33,099 | +1.7% |
| 2Q19 | 32,535 | -1.8% |
| 1Q19 | 30,778 | -6.3% |
| 4Q18 | 35,496 | +0.7% |
| 3Q18 | 32,543 | -3.7% |
| 2Q18 | 33,117 | -4.1% |
| 1Q18 | 32,847 | +6.5% |
| 4Q17 | 35,238 | -10.0% |
| 3Q17 | 33,779 | -2.3% |
| 2Q17 | 34,521 | -9.0% |
| 1Q17 | 30,834 | -12.3% |
| 4Q16 | 39,145 | - |
| 3Q16 | 34,571 | - |
| 2Q16 | 37,922 | - |
| 1Q16 | 35,178 | - |