| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 12,861 | +9.2% |
| 3Q25 | 11,995 | -5.3% |
| 2Q25 | 12,257 | -10.6% |
| 1Q25 | 10,540 | -3.6% |
| 4Q24 | 11,777 | +5.1% |
| 3Q24 | 12,664 | +18.8% |
| 2Q24 | 13,711 | +37.8% |
| 1Q24 | 10,936 | +37.4% |
| 4Q23 | 11,203 | +26.8% |
| 3Q23 | 10,659 | +24.3% |
| 2Q23 | 9,947 | -3.7% |
| 1Q23 | 7,959 | -1.6% |
| 4Q22 | 8,834 | +2.6% |
| 3Q22 | 8,573 | -5.2% |
| 2Q22 | 10,325 | +14.9% |
| 1Q22 | 8,090 | +5.2% |
| 4Q21 | 8,609 | -5.1% |
| 3Q21 | 9,047 | +13.0% |
| 2Q21 | 8,988 | +44.3% |
| 1Q21 | 7,688 | +14.8% |
| 4Q20 | 9,072 | -17.3% |
| 3Q20 | 8,009 | -15.6% |
| 2Q20 | 6,229 | -38.4% |
| 1Q20 | 6,694 | -21.1% |
| 4Q19 | 10,968 | -1.7% |
| 3Q19 | 9,493 | -3.6% |
| 2Q19 | 10,110 | -6.0% |
| 1Q19 | 8,485 | +4.1% |
| 4Q18 | 11,155 | -6.5% |
| 3Q18 | 9,844 | -2.2% |
| 2Q18 | 10,761 | +2.9% |
| 1Q18 | 8,150 | +9.4% |
| 4Q17 | 11,928 | +7.6% |
| 3Q17 | 10,061 | +9.8% |
| 2Q17 | 10,462 | -5.6% |
| 1Q17 | 7,448 | -23.1% |
| 4Q16 | 11,081 | -17.5% |
| 3Q16 | 9,160 | - |
| 2Q16 | 11,077 | - |
| 1Q16 | 9,683 | - |
| 4Q15 | 13,434 | - |