| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,147 | -3.2% |
| 3Q25 | 2,385 | -6.7% |
| 2Q25 | 2,934 | +0.3% |
| 1Q25 | 2,518 | +1.5% |
| 4Q24 | 3,250 | -5.2% |
| 3Q24 | 2,555 | +14.5% |
| 2Q24 | 2,925 | -1.6% |
| 1Q24 | 2,480 | -5.2% |
| 4Q23 | 3,428 | -70.2% |
| 3Q23 | 2,232 | -78.0% |
| 2Q23 | 2,974 | -69.2% |
| 1Q23 | 2,615 | -73.1% |
| 4Q22 | 11,490 | +4.3% |
| 3Q22 | 10,152 | +1.4% |
| 2Q22 | 9,656 | -12.4% |
| 1Q22 | 9,715 | +40.5% |
| 4Q21 | 11,015 | -17.6% |
| 3Q21 | 10,008 | -16.4% |
| 2Q21 | 11,019 | -13.5% |
| 1Q21 | 6,916 | -45.7% |
| 4Q20 | 13,373 | -23.0% |
| 3Q20 | 11,965 | -16.4% |
| 2Q20 | 12,742 | -12.1% |
| 1Q20 | 12,740 | -11.6% |
| 4Q19 | 17,371 | +5.1% |
| 3Q19 | 14,313 | +2.3% |
| 2Q19 | 14,498 | -1.3% |
| 1Q19 | 14,405 | -0.5% |
| 4Q18 | 16,526 | -1.7% |
| 3Q18 | 13,992 | -0.8% |
| 2Q18 | 14,686 | -1.2% |
| 1Q18 | 14,481 | -1.7% |
| 4Q17 | 16,807 | -2.6% |
| 3Q17 | 14,110 | -5.7% |
| 2Q17 | 14,857 | - |
| 1Q17 | 14,738 | - |
| 4Q16 | 17,253 | - |
| 3Q16 | 14,959 | - |