| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 24,260 | +14.4% |
| 3Q25 | 19,174 | +10.2% |
| 2Q25 | 20,035 | +5.6% |
| 1Q25 | 18,695 | +9.3% |
| 4Q24 | 21,200 | +9.7% |
| 3Q24 | 17,400 | -4.0% |
| 2Q24 | 18,978 | +11.2% |
| 1Q24 | 17,097 | -12.2% |
| 4Q23 | 19,334 | +3.7% |
| 3Q23 | 18,128 | +4.6% |
| 2Q23 | 17,066 | -0.1% |
| 1Q23 | 19,476 | +14.6% |
| 4Q22 | 18,650 | +12.3% |
| 3Q22 | 17,323 | +24.6% |
| 2Q22 | 17,077 | +15.2% |
| 1Q22 | 17,002 | +33.6% |
| 4Q21 | 16,603 | +32.6% |
| 3Q21 | 13,907 | +32.0% |
| 2Q21 | 14,821 | +46.6% |
| 1Q21 | 12,729 | -0.3% |
| 4Q20 | 12,519 | -1.5% |
| 3Q20 | 10,539 | -17.7% |
| 2Q20 | 10,110 | -12.9% |
| 1Q20 | 12,773 | +6.2% |
| 4Q19 | 12,707 | -5.4% |
| 3Q19 | 12,802 | +15.1% |
| 2Q19 | 11,604 | +17.4% |
| 1Q19 | 12,025 | -3.1% |
| 4Q18 | 13,428 | +28.5% |
| 3Q18 | 11,120 | +11.1% |
| 2Q18 | 9,881 | -5.2% |
| 1Q18 | 12,414 | +33.3% |
| 4Q17 | 10,449 | +8.2% |
| 3Q17 | 10,008 | +18.6% |
| 2Q17 | 10,424 | +26.6% |
| 1Q17 | 9,313 | +9.0% |
| 4Q16 | 9,656 | +7.1% |
| 3Q16 | 8,441 | - |
| 2Q16 | 8,236 | - |
| 1Q16 | 8,547 | - |
| 4Q15 | 9,014 | - |