| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 25,193 | +7.5% |
| 3Q25 | 21,789 | +3.8% |
| 2Q25 | 22,414 | +3.6% |
| 1Q25 | 22,172 | +9.8% |
| 4Q24 | 23,443 | +10.6% |
| 3Q24 | 21,001 | +13.3% |
| 2Q24 | 21,626 | +20.6% |
| 1Q24 | 20,191 | +21.7% |
| 4Q23 | 21,195 | +29.2% |
| 3Q23 | 18,542 | +22.8% |
| 2Q23 | 17,938 | +17.5% |
| 1Q23 | 16,585 | +26.5% |
| 4Q22 | 16,403 | +7.7% |
| 3Q22 | 15,097 | +15.4% |
| 2Q22 | 15,271 | +9.0% |
| 1Q22 | 13,115 | +88.2% |
| 4Q21 | 15,230 | -1.3% |
| 3Q21 | 13,081 | -3.7% |
| 2Q21 | 14,005 | -6.5% |
| 1Q21 | 6,968 | -49.4% |
| 4Q20 | 15,438 | -1.4% |
| 3Q20 | 13,590 | -0.9% |
| 2Q20 | 14,983 | -0.1% |
| 1Q20 | 13,765 | +2.7% |
| 4Q19 | 15,664 | +3.1% |
| 3Q19 | 13,718 | +3.7% |
| 2Q19 | 14,994 | +10.0% |
| 1Q19 | 13,398 | +7.8% |
| 4Q18 | 15,193 | +11.7% |
| 3Q18 | 13,227 | +6.5% |
| 2Q18 | 13,637 | +4.6% |
| 1Q18 | 12,433 | +2.8% |
| 4Q17 | 13,602 | -6.9% |
| 3Q17 | 12,421 | -0.1% |
| 2Q17 | 13,039 | - |
| 1Q17 | 12,092 | - |
| 4Q16 | 14,610 | - |
| 3Q16 | 12,439 | - |