| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 23,632 | +0.8% |
| 3Q25 | 18,375 | +3.9% |
| 2Q25 | 18,416 | +3.5% |
| 1Q25 | 17,251 | +1.9% |
| 4Q24 | 23,451 | +5.3% |
| 3Q24 | 17,688 | +3.5% |
| 2Q24 | 17,791 | +1.5% |
| 1Q24 | 16,928 | +5.4% |
| 4Q23 | 22,271 | +4.2% |
| 3Q23 | 17,091 | +8.0% |
| 2Q23 | 17,532 | +12.1% |
| 1Q23 | 16,055 | +10.4% |
| 4Q22 | 21,367 | +12.9% |
| 3Q22 | 15,832 | +12.5% |
| 2Q22 | 15,642 | +8.1% |
| 1Q22 | 14,541 | +6.0% |
| 4Q21 | 18,919 | +2.4% |
| 3Q21 | 14,069 | -0.2% |
| 2Q21 | 14,465 | +13.8% |
| 1Q21 | 13,717 | -7.5% |
| 4Q20 | 18,478 | -14.5% |
| 3Q20 | 14,103 | -17.0% |
| 2Q20 | 12,713 | -27.9% |
| 1Q20 | 14,836 | -8.0% |
| 4Q19 | 21,617 | -3.6% |
| 3Q19 | 16,997 | +4.0% |
| 2Q19 | 17,641 | +4.5% |
| 1Q19 | 16,126 | +6.5% |
| 4Q18 | 22,429 | +6.1% |
| 3Q18 | 16,345 | +4.5% |
| 2Q18 | 16,887 | +2.6% |
| 1Q18 | 15,147 | +0.1% |
| 4Q17 | 21,139 | +2.1% |
| 3Q17 | 15,639 | -0.3% |
| 2Q17 | 16,465 | -0.2% |
| 1Q17 | 15,125 | -0.9% |
| 4Q16 | 20,705 | -0.6% |
| 3Q16 | 15,685 | -0.6% |
| 2Q16 | 16,501 | - |
| 1Q16 | 15,267 | - |
| 4Q15 | 20,830 | - |
| 3Q15 | 15,775 | - |