| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,828 | -0.2% |
| 3Q25 | 3,254 | +17.3% |
| 2Q25 | 2,362 | -12.5% |
| 1Q25 | 2,962 | +4.5% |
| 4Q24 | 2,835 | -20.0% |
| 3Q24 | 2,774 | -3.9% |
| 2Q24 | 2,698 | +11.5% |
| 1Q24 | 2,835 | -6.5% |
| 4Q23 | 3,542 | +34.9% |
| 3Q23 | 2,886 | +4.3% |
| 2Q23 | 2,420 | +2.7% |
| 1Q23 | 3,030 | +14.0% |
| 4Q22 | 2,625 | +6.9% |
| 3Q22 | 2,766 | -4.0% |
| 2Q22 | 2,357 | +9.9% |
| 1Q22 | 2,659 | -4.3% |
| 4Q21 | 2,455 | -2.9% |
| 3Q21 | 2,881 | +4.9% |
| 2Q21 | 2,144 | -13.0% |
| 1Q21 | 2,777 | +5.4% |
| 4Q20 | 2,528 | -4.9% |
| 3Q20 | 2,747 | +5.7% |
| 2Q20 | 2,463 | +13.6% |
| 1Q20 | 2,635 | +7.1% |
| 4Q19 | 2,657 | -4.6% |
| 3Q19 | 2,598 | +6.2% |
| 2Q19 | 2,168 | +1.5% |
| 1Q19 | 2,461 | -3.9% |
| 4Q18 | 2,786 | +31.1% |
| 3Q18 | 2,447 | +8.9% |
| 2Q18 | 2,136 | +19.9% |
| 1Q18 | 2,560 | -1.7% |
| 4Q17 | 2,124 | +13.8% |
| 3Q17 | 2,246 | +5.0% |
| 2Q17 | 1,781 | -5.6% |
| 1Q17 | 2,605 | +7.0% |
| 4Q16 | 1,866 | -14.4% |
| 3Q16 | 2,138 | - |
| 2Q16 | 1,888 | - |
| 1Q16 | 2,434 | - |
| 4Q15 | 2,181 | - |