| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,886 | -8.3% |
| 3Q25 | 1,668 | -3.5% |
| 2Q25 | 1,716 | -14.8% |
| 1Q25 | 1,623 | -24.8% |
| 4Q24 | 2,056 | -24.2% |
| 3Q24 | 1,728 | -36.1% |
| 2Q24 | 2,015 | - |
| 1Q24 | 2,158 | -8.8% |
| 4Q23 | 2,714 | +5.3% |
| 3Q23 | 2,706 | - |
| 1Q23 | 2,366 | +3.3% |
| 4Q22 | 2,577 | -4.1% |
| 2Q22 | 2,073 | -22.7% |
| 1Q22 | 2,290 | +13.9% |
| 4Q21 | 2,688 | -18.1% |
| 3Q21 | 2,711 | -16.0% |
| 2Q21 | 2,683 | -23.1% |
| 1Q21 | 2,010 | -43.4% |
| 4Q20 | 3,282 | -26.9% |
| 3Q20 | 3,226 | +11.0% |
| 2Q20 | 3,490 | - |
| 1Q20 | 3,552 | +5.8% |
| 4Q19 | 4,489 | +15.5% |
| 3Q19 | 2,905 | -22.3% |
| 1Q19 | 3,357 | -9.5% |
| 4Q18 | 3,888 | -8.4% |
| 3Q18 | 3,738 | -11.3% |
| 2Q18 | 3,550 | -14.8% |
| 1Q18 | 3,710 | -20.7% |
| 4Q17 | 4,243 | -20.5% |
| 3Q17 | 4,213 | -14.5% |
| 2Q17 | 4,168 | - |
| 1Q17 | 4,679 | - |
| 4Q16 | 5,335 | - |
| 3Q16 | 4,926 | - |