| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,874 | -16.1% |
| 3Q25 | 2,775 | -4.2% |
| 2Q25 | 3,279 | +17.6% |
| 1Q25 | 2,506 | -29.6% |
| 4Q24 | 3,427 | -19.3% |
| 3Q24 | 2,896 | -30.6% |
| 2Q24 | 2,789 | +8.3% |
| 1Q24 | 3,562 | +26.2% |
| 4Q23 | 4,249 | +54.4% |
| 3Q23 | 4,174 | +55.9% |
| 2Q23 | 2,574 | -4.3% |
| 1Q23 | 2,821 | +20.1% |
| 4Q22 | 2,753 | +15.6% |
| 3Q22 | 2,677 | +17.3% |
| 2Q22 | 2,689 | +22.2% |
| 1Q22 | 2,349 | +45.2% |
| 4Q21 | 2,381 | +9.1% |
| 3Q21 | 2,282 | +0.7% |
| 2Q21 | 2,201 | +33.7% |
| 1Q21 | 1,617 | -11.1% |
| 4Q20 | 2,183 | -32.8% |
| 3Q20 | 2,267 | +15.8% |
| 2Q20 | 1,646 | -28.7% |
| 1Q20 | 1,818 | -6.3% |
| 4Q19 | 3,247 | +22.5% |
| 3Q19 | 1,957 | -13.7% |
| 2Q19 | 2,310 | +1.2% |
| 1Q19 | 1,941 | -9.8% |
| 4Q18 | 2,651 | +52.9% |
| 3Q18 | 2,270 | +37.8% |
| 2Q18 | 2,283 | +24.2% |
| 1Q18 | 2,152 | +30.2% |
| 4Q17 | 1,733 | +4.3% |
| 3Q17 | 1,647 | -1.9% |
| 2Q17 | 1,838 | - |
| 1Q17 | 1,653 | - |
| 4Q16 | 1,662 | - |
| 3Q16 | 1,679 | - |