| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 1,848 | +7.6% |
| 4Q25 | 1,819 | +13.6% |
| 3Q25 | 1,647 | +1.2% |
| 2Q25 | 1,702 | +7.1% |
| 1Q25 | 1,718 | +7.2% |
| 4Q24 | 1,601 | +6.9% |
| 3Q24 | 1,627 | +12.2% |
| 2Q24 | 1,589 | +8.3% |
| 1Q24 | 1,603 | +14.5% |
| 4Q23 | 1,498 | +18.7% |
| 3Q23 | 1,450 | +18.3% |
| 2Q23 | 1,468 | +59.5% |
| 1Q23 | 1,399 | +23.9% |
| 4Q22 | 1,262 | +16.2% |
| 3Q22 | 1,226 | +6.5% |
| 2Q22 | 920 | -17.4% |
| 1Q22 | 1,129 | +11.4% |
| 4Q21 | 1,086 | -1.7% |
| 3Q21 | 1,151 | +23.8% |
| 2Q21 | 1,114 | -6.4% |
| 1Q21 | 1,013 | -3.7% |
| 4Q20 | 1,105 | -12.0% |
| 3Q20 | 930 | -17.4% |
| 2Q20 | 1,190 | -0.0% |
| 1Q20 | 1,052 | -0.6% |
| 4Q19 | 1,255 | +6.8% |
| 3Q19 | 1,126 | +2.2% |
| 2Q19 | 1,191 | -1.0% |
| 1Q19 | 1,058 | +3.5% |
| 4Q18 | 1,175 | -6.4% |
| 3Q18 | 1,103 | +1.8% |
| 2Q18 | 1,202 | +1.0% |
| 1Q18 | 1,022 | +1.1% |
| 4Q17 | 1,256 | +1.8% |
| 3Q17 | 1,083 | +13.4% |
| 2Q17 | 1,190 | -2.0% |
| 1Q17 | 1,011 | +5.9% |
| 4Q16 | 1,233 | - |
| 3Q16 | 955 | - |
| 2Q16 | 1,214 | - |
| 1Q16 | 955 | - |