| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,442 | -5.1% |
| 3Q25 | 2,106 | +7.8% |
| 2Q25 | 1,925 | +0.3% |
| 1Q25 | 2,363 | -12.9% |
| 4Q24 | 2,574 | +13.6% |
| 3Q24 | 1,952 | -1.3% |
| 2Q24 | 1,920 | +2.1% |
| 1Q24 | 2,712 | +3.9% |
| 4Q23 | 2,267 | +7.8% |
| 3Q23 | 1,979 | +5.4% |
| 2Q23 | 1,880 | +7.6% |
| 1Q23 | 2,610 | -1.1% |
| 4Q22 | 2,102 | +6.3% |
| 3Q22 | 1,878 | +12.3% |
| 2Q22 | 1,746 | +8.2% |
| 1Q22 | 2,639 | +20.1% |
| 4Q21 | 1,978 | -2.2% |
| 3Q21 | 1,673 | -3.9% |
| 2Q21 | 1,613 | +3.0% |
| 1Q21 | 2,197 | -12.5% |
| 4Q20 | 2,022 | +1.3% |
| 3Q20 | 1,741 | +1.8% |
| 2Q20 | 1,567 | -30.3% |
| 1Q20 | 2,511 | +13.2% |
| 4Q19 | 1,996 | -19.4% |
| 3Q19 | 1,711 | +5.1% |
| 2Q19 | 2,248 | +54.4% |
| 1Q19 | 2,219 | -10.5% |
| 1Q19 | 1,456 | -4.4% |
| 4Q18 | 2,478 | - |
| 3Q18 | 1,628 | - |
| 2Q18 | 1,704 | - |
| 1Q18 | 1,522 | - |