| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,274 | -1.4% |
| 3Q25 | 1,352 | +3.7% |
| 2Q25 | 1,295 | -0.1% |
| 1Q25 | 1,104 | +3.8% |
| 4Q24 | 1,291 | -0.8% |
| 3Q24 | 1,304 | +0.6% |
| 2Q24 | 1,296 | +2.8% |
| 1Q24 | 1,064 | +5.2% |
| 4Q23 | 1,302 | +5.9% |
| 3Q23 | 1,296 | +12.7% |
| 2Q23 | 1,261 | +10.3% |
| 1Q23 | 1,011 | +20.2% |
| 4Q22 | 1,229 | -22.1% |
| 3Q22 | 1,149 | -9.6% |
| 2Q22 | 1,142 | -9.1% |
| 1Q22 | 841 | -20.9% |
| 4Q21 | 1,577 | +12.7% |
| 3Q21 | 1,272 | +2.3% |
| 2Q21 | 1,257 | +68.9% |
| 1Q21 | 1,064 | -7.7% |
| 4Q20 | 1,399 | -14.8% |
| 3Q20 | 1,243 | -34.1% |
| 2Q20 | 744 | -64.3% |
| 1Q20 | 1,153 | -21.7% |
| 4Q19 | 1,643 | +1.5% |
| 3Q19 | 1,886 | +3.1% |
| 2Q19 | 2,082 | +15.3% |
| 1Q19 | 1,472 | +3.9% |
| 4Q18 | 1,619 | +9.6% |
| 3Q18 | 1,829 | -0.9% |
| 2Q18 | 1,806 | -4.6% |
| 1Q18 | 1,416 | +4.5% |
| 4Q17 | 1,478 | +2.5% |
| 3Q17 | 1,846 | -0.1% |
| 2Q17 | 1,893 | +23.6% |
| 1Q17 | 1,355 | -2.9% |
| 4Q16 | 1,441 | -6.5% |
| 3Q16 | 1,848 | - |
| 2Q16 | 1,531 | - |
| 1Q16 | 1,396 | - |
| 4Q15 | 1,541 | - |