| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 9,436 | +6.4% |
| 3Q25 | 8,904 | -0.5% |
| 2Q25 | 8,374 | -10.3% |
| 1Q25 | 8,577 | -6.8% |
| 4Q24 | 8,866 | -3.2% |
| 3Q24 | 8,947 | +0.5% |
| 2Q24 | 9,336 | -1.1% |
| 1Q24 | 9,205 | +6.0% |
| 4Q23 | 9,163 | -3.7% |
| 3Q23 | 8,901 | -6.6% |
| 2Q23 | 9,436 | +10.7% |
| 1Q23 | 8,686 | +9.0% |
| 4Q22 | 9,518 | +21.6% |
| 3Q22 | 9,534 | +23.8% |
| 2Q22 | 8,521 | +11.2% |
| 1Q22 | 7,971 | +6.2% |
| 4Q21 | 7,826 | +12.2% |
| 3Q21 | 7,701 | +23.4% |
| 2Q21 | 7,661 | +35.2% |
| 1Q21 | 7,502 | +6.6% |
| 4Q20 | 6,977 | -5.8% |
| 3Q20 | 6,239 | -16.4% |
| 2Q20 | 5,667 | -24.5% |
| 1Q20 | 7,041 | -3.0% |
| 4Q19 | 7,404 | -2.0% |
| 3Q19 | 7,467 | -4.6% |
| 2Q19 | 7,505 | -1.7% |
| 1Q19 | 7,262 | +0.6% |
| 4Q18 | 7,555 | -2.2% |
| 3Q18 | 7,830 | +1.7% |
| 2Q18 | 7,637 | +0.4% |
| 1Q18 | 7,217 | -1.9% |
| 4Q17 | 7,726 | +4.8% |
| 3Q17 | 7,699 | +7.3% |
| 2Q17 | 7,609 | +0.1% |
| 1Q17 | 7,357 | -7.2% |
| 4Q16 | 7,372 | -10.4% |
| 3Q16 | 7,177 | -16.8% |
| 2Q16 | 7,600 | - |
| 1Q16 | 7,931 | - |
| 4Q15 | 8,229 | - |
| 3Q15 | 8,631 | - |