| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 1,456 | -0.8% |
| 3Q25 | 1,783 | +14.2% |
| 2Q25 | 1,463 | -7.5% |
| 1Q25 | 1,469 | -13.5% |
| 4Q24 | 1,713 | -3.4% |
| 3Q24 | 1,561 | -25.2% |
| 2Q24 | 1,581 | -9.1% |
| 1Q24 | 1,699 | +11.4% |
| 4Q23 | 1,773 | -16.9% |
| 3Q23 | 2,089 | +7.3% |
| 2Q23 | 1,739 | -5.7% |
| 1Q23 | 1,525 | -12.3% |
| 4Q22 | 2,133 | -1.6% |
| 3Q22 | 1,946 | -5.5% |
| 2Q22 | 1,843 | -6.2% |
| 1Q22 | 1,739 | -1.5% |
| 4Q21 | 2,168 | +7.6% |
| 3Q21 | 2,060 | +2.8% |
| 2Q21 | 1,966 | -0.2% |
| 1Q21 | 1,765 | -9.9% |
| 4Q20 | 2,014 | -2.4% |
| 3Q20 | 2,004 | +2.9% |
| 2Q20 | 1,970 | +2.4% |
| 1Q20 | 1,959 | +10.1% |
| 4Q19 | 2,063 | +4.8% |
| 3Q19 | 1,947 | +3.1% |
| 2Q19 | 1,924 | +1.9% |
| 1Q19 | 1,779 | +1.0% |
| 4Q18 | 1,969 | +0.9% |
| 3Q18 | 1,888 | -5.6% |
| 2Q18 | 1,887 | +3.3% |
| 1Q18 | 1,762 | +5.1% |
| 4Q17 | 1,951 | -10.7% |
| 3Q17 | 2,000 | -15.8% |
| 2Q17 | 1,826 | -7.7% |
| 1Q17 | 1,676 | -7.8% |
| 4Q16 | 2,185 | - |
| 3Q16 | 2,375 | - |
| 2Q16 | 1,979 | - |
| 1Q16 | 1,817 | - |