| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,697 | -4.7% |
| 3Q25 | 2,847 | -8.7% |
| 2Q25 | 2,722 | -11.9% |
| 1Q25 | 2,748 | -10.4% |
| 4Q24 | 2,831 | -10.2% |
| 3Q24 | 3,119 | -4.0% |
| 2Q24 | 3,091 | -0.6% |
| 1Q24 | 3,066 | +1.4% |
| 4Q23 | 3,151 | +4.2% |
| 3Q23 | 3,248 | +5.4% |
| 2Q23 | 3,110 | +3.4% |
| 1Q23 | 3,023 | +1.7% |
| 4Q22 | 3,025 | +1.7% |
| 3Q22 | 3,082 | -4.9% |
| 2Q22 | 3,008 | -4.3% |
| 1Q22 | 2,973 | +7.5% |
| 4Q21 | 2,974 | +69.2% |
| 3Q21 | 3,241 | +83.7% |
| 2Q21 | 3,144 | +72.0% |
| 1Q21 | 2,765 | +80.3% |
| 4Q20 | 1,757 | +21.4% |
| 3Q20 | 1,764 | +18.1% |
| 2Q20 | 1,827 | +25.9% |
| 1Q20 | 1,534 | +11.8% |
| 4Q19 | 1,447 | +11.9% |
| 3Q19 | 1,494 | +16.8% |
| 2Q19 | 1,452 | +12.1% |
| 1Q19 | 1,371 | +16.2% |
| 4Q18 | 1,293 | +15.4% |
| 3Q18 | 1,278 | +11.4% |
| 2Q18 | 1,295 | +14.5% |
| 1Q18 | 1,180 | +2.2% |
| 4Q17 | 1,120 | - |
| 3Q17 | 1,147 | - |
| 2Q17 | 1,131 | - |
| 1Q17 | 1,155 | - |