| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 1,077 | +10.6% |
| 3Q25 | 1,139 | -7.2% |
| 2Q25 | 934 | +7.3% |
| 1Q25 | 974 | -0.7% |
| 4Q24 | 1,106 | -0.8% |
| 3Q24 | 1,227 | +9.6% |
| 2Q24 | 870 | -24.5% |
| 1Q24 | 981 | -1.7% |
| 4Q23 | 1,114 | +7.4% |
| 3Q23 | 1,120 | +1.3% |
| 2Q23 | 1,154 | +7.0% |
| 1Q23 | 998 | -13.3% |
| 4Q22 | 1,037 | -14.0% |
| 3Q22 | 1,105 | +9.6% |
| 2Q22 | 1,078 | +34.0% |
| 1Q22 | 1,150 | +25.4% |
| 4Q21 | 1,206 | -8.4% |
| 3Q21 | 1,009 | +0.4% |
| 2Q21 | 804 | -30.9% |
| 1Q21 | 917 | -12.5% |
| 4Q20 | 1,317 | +4.1% |
| 3Q20 | 1,004 | -7.2% |
| 2Q20 | 1,165 | +3.5% |
| 1Q20 | 1,048 | -9.2% |
| 4Q19 | 1,265 | -7.9% |
| 3Q19 | 1,082 | -1.9% |
| 2Q19 | 1,125 | +10.0% |
| 1Q19 | 1,155 | +2.9% |
| 4Q18 | 1,373 | -2.7% |
| 3Q18 | 1,102 | -11.2% |
| 2Q18 | 1,023 | -1.1% |
| 1Q18 | 1,123 | -3.9% |
| 4Q17 | 1,411 | +2.6% |
| 3Q17 | 1,242 | -3.3% |
| 2Q17 | 1,035 | -15.4% |
| 1Q17 | 1,168 | -5.3% |
| 4Q16 | 1,375 | - |
| 3Q16 | 1,285 | - |
| 2Q16 | 1,223 | - |
| 1Q16 | 1,234 | - |