| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 28,577 | +6.9% |
| 2Q26 | 26,602 | -4.0% |
| 1Q26 | 26,218 | +4.3% |
| 4Q25 | 27,999 | +7.9% |
| 3Q25 | 26,727 | +1.7% |
| 2Q25 | 27,723 | +8.1% |
| 1Q25 | 25,132 | +0.6% |
| 4Q24 | 25,953 | -9.7% |
| 3Q24 | 26,272 | -0.3% |
| 2Q24 | 25,649 | +6.7% |
| 1Q24 | 24,970 | +2.7% |
| 4Q23 | 28,738 | +5.9% |
| 3Q23 | 26,354 | +0.3% |
| 2Q23 | 24,045 | -5.1% |
| 1Q23 | 24,312 | +5.3% |
| 4Q22 | 27,125 | -2.9% |
| 3Q22 | 26,265 | +1.8% |
| 2Q22 | 25,332 | +4.0% |
| 1Q22 | 23,085 | +2.0% |
| 4Q21 | 27,940 | +8.5% |
| 3Q21 | 25,811 | -2.8% |
| 2Q21 | 24,360 | -7.4% |
| 1Q21 | 22,631 | -14.0% |
| 4Q20 | 25,749 | -7.2% |
| 3Q20 | 26,551 | +0.8% |
| 2Q20 | 26,309 | -0.5% |
| 1Q20 | 26,319 | +2.7% |
| 4Q19 | 27,734 | -1.5% |
| 3Q19 | 26,336 | +1.4% |
| 2Q19 | 26,440 | +8.3% |
| 1Q19 | 25,636 | +4.3% |
| 4Q18 | 28,153 | +8.8% |
| 3Q18 | 25,965 | +4.2% |
| 2Q18 | 24,420 | -3.5% |
| 1Q18 | 24,589 | +7.2% |
| 4Q17 | 25,883 | +2.4% |
| 3Q17 | 24,913 | +6.0% |
| 2Q17 | 25,318 | - |
| 1Q17 | 22,940 | - |
| 4Q16 | 25,281 | - |
| 3Q16 | 23,492 | - |