| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 19,887 | -10.2% |
| 3Q25 | 17,729 | -0.8% |
| 2Q25 | 20,170 | +9.9% |
| 1Q25 | 16,197 | +16.7% |
| 4Q24 | 22,156 | +28.7% |
| 3Q24 | 17,865 | +38.4% |
| 2Q24 | 18,353 | +33.4% |
| 1Q24 | 13,881 | +6.3% |
| 4Q23 | 17,220 | +18.0% |
| 3Q23 | 12,908 | +4.6% |
| 2Q23 | 13,755 | +2.0% |
| 1Q23 | 13,064 | +2.7% |
| 4Q22 | 14,589 | +3.9% |
| 3Q22 | 12,340 | -2.5% |
| 2Q22 | 13,490 | +3.8% |
| 1Q22 | 12,726 | +8.5% |
| 4Q21 | 14,040 | -2.5% |
| 3Q21 | 12,654 | -0.1% |
| 2Q21 | 12,997 | -10.0% |
| 1Q21 | 11,724 | -10.1% |
| 4Q20 | 14,393 | -0.3% |
| 3Q20 | 12,666 | +7.3% |
| 2Q20 | 14,442 | +13.5% |
| 1Q20 | 13,040 | +13.0% |
| 4Q19 | 14,432 | +8.2% |
| 3Q19 | 11,804 | -4.5% |
| 2Q19 | 12,720 | +0.8% |
| 1Q19 | 11,539 | -7.7% |
| 4Q18 | 13,337 | -3.1% |
| 3Q18 | 12,365 | +5.9% |
| 2Q18 | 12,615 | -7.8% |
| 1Q18 | 12,499 | -4.2% |
| 4Q17 | 13,769 | -12.0% |
| 3Q17 | 11,673 | -16.4% |
| 2Q17 | 13,676 | - |
| 1Q17 | 13,053 | - |
| 4Q16 | 15,645 | - |
| 3Q16 | 13,966 | - |