| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 8,764 | -10.5% |
| 4Q25 | 9,261 | -7.0% |
| 3Q25 | 11,529 | +2.2% |
| 2Q25 | 10,480 | +0.5% |
| 1Q25 | 9,793 | +1.9% |
| 4Q24 | 9,956 | +9.1% |
| 3Q24 | 11,280 | -2.2% |
| 2Q24 | 10,432 | +3.6% |
| 1Q24 | 9,613 | +2.7% |
| 4Q23 | 9,123 | -3.2% |
| 3Q23 | 11,534 | +0.2% |
| 2Q23 | 10,072 | +3.3% |
| 1Q23 | 9,359 | +2.3% |
| 4Q22 | 9,426 | +7.1% |
| 3Q22 | 11,514 | -2.9% |
| 2Q22 | 9,751 | +1.6% |
| 1Q22 | 9,152 | +0.5% |
| 4Q21 | 8,798 | -57.2% |
| 3Q21 | 11,853 | +23.1% |
| 2Q21 | 9,599 | -0.3% |
| 1Q21 | 9,108 | -5.9% |
| 4Q20 | 20,562 | +153.9% |
| 3Q20 | 9,629 | +0.2% |
| 2Q20 | 9,684 | +9.4% |
| 1Q20 | 8,097 | +6.5% |
| 4Q19 | 11,831 | +7.1% |
| 3Q19 | 9,607 | +16.5% |
| 2Q19 | 8,850 | -0.7% |
| 1Q19 | 7,604 | +1.0% |
| 4Q18 | 11,047 | +1.7% |
| 3Q18 | 8,243 | +2.2% |
| 2Q18 | 8,913 | +5.2% |
| 1Q18 | 7,529 | +4.6% |
| 4Q17 | 10,867 | +8.4% |
| 3Q17 | 8,062 | +0.1% |
| 2Q17 | 8,475 | - |
| 1Q17 | 7,199 | - |
| 4Q16 | 10,029 | - |
| 3Q16 | 8,052 | - |