| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 36,723 | -4.1% |
| 3Q25 | 38,182 | +3.9% |
| 2Q25 | 36,162 | +0.3% |
| 1Q25 | 37,132 | +3.4% |
| 4Q24 | 38,276 | +4.4% |
| 3Q24 | 36,756 | +7.5% |
| 2Q24 | 36,058 | +4.9% |
| 1Q24 | 35,899 | +1.4% |
| 4Q23 | 36,652 | +7.2% |
| 3Q23 | 34,184 | +5.8% |
| 2Q23 | 34,380 | +5.2% |
| 1Q23 | 35,414 | +7.3% |
| 4Q22 | 34,192 | +1.3% |
| 3Q22 | 32,307 | -2.1% |
| 2Q22 | 32,691 | -1.4% |
| 1Q22 | 33,006 | -1.9% |
| 4Q21 | 33,737 | +2.7% |
| 3Q21 | 33,008 | +6.5% |
| 2Q21 | 33,149 | +3.9% |
| 1Q21 | 33,661 | +4.6% |
| 4Q20 | 32,862 | -1.1% |
| 3Q20 | 30,988 | -0.7% |
| 2Q20 | 31,909 | +0.5% |
| 1Q20 | 32,166 | +1.8% |
| 4Q19 | 33,214 | +9.5% |
| 3Q19 | 31,202 | +8.2% |
| 2Q19 | 31,743 | +8.5% |
| 1Q19 | 31,607 | +9.7% |
| 4Q18 | 30,320 | +6.0% |
| 3Q18 | 28,848 | +4.8% |
| 2Q18 | 29,249 | +8.7% |
| 1Q18 | 28,803 | +7.4% |
| 4Q17 | 28,616 | 0.0% |
| 3Q17 | 27,529 | +8.7% |
| 2Q17 | 26,912 | +19.0% |
| 1Q17 | 26,806 | +8.2% |
| 4Q16 | 28,607 | +20.3% |
| 3Q16 | 25,318 | - |
| 2Q16 | 22,606 | - |
| 1Q16 | 24,782 | - |
| 4Q15 | 23,770 | - |