| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 10,958 | -0.2% |
| 3Q25 | 13,421 | +4.5% |
| 2Q25 | 10,008 | +10.4% |
| 1Q25 | 11,306 | +5.9% |
| 4Q24 | 10,979 | -1.0% |
| 3Q24 | 12,841 | -2.7% |
| 2Q24 | 9,062 | +2.4% |
| 1Q24 | 10,675 | +1.4% |
| 4Q23 | 11,087 | -13.8% |
| 3Q23 | 13,197 | +3.3% |
| 2Q23 | 8,852 | -16.3% |
| 1Q23 | 10,525 | -8.3% |
| 4Q22 | 12,861 | -8.5% |
| 3Q22 | 12,772 | -10.8% |
| 2Q22 | 10,574 | -3.1% |
| 1Q22 | 11,480 | +22.5% |
| 4Q21 | 14,058 | +21.9% |
| 3Q21 | 14,325 | +17.1% |
| 2Q21 | 10,909 | +11.5% |
| 1Q21 | 9,373 | -21.7% |
| 4Q20 | 11,533 | -11.2% |
| 3Q20 | 12,232 | -15.3% |
| 2Q20 | 9,784 | -12.6% |
| 1Q20 | 11,978 | -1.2% |
| 4Q19 | 12,987 | -3.1% |
| 3Q19 | 14,437 | +5.8% |
| 2Q19 | 11,194 | +3.6% |
| 1Q19 | 12,129 | -2.5% |
| 4Q18 | 13,403 | -1.7% |
| 3Q18 | 13,649 | -7.5% |
| 2Q18 | 10,804 | -1.4% |
| 1Q18 | 12,446 | -2.3% |
| 4Q17 | 13,633 | -11.3% |
| 3Q17 | 14,755 | -9.5% |
| 2Q17 | 10,958 | - |
| 1Q17 | 12,737 | - |
| 4Q16 | 15,364 | - |
| 3Q16 | 16,295 | - |