| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,301 | -6.2% |
| 3Q25 | 1,134 | -10.0% |
| 2Q25 | 1,106 | -12.5% |
| 1Q25 | 1,095 | -11.4% |
| 4Q24 | 1,387 | -5.7% |
| 3Q24 | 1,261 | -7.3% |
| 2Q24 | 1,264 | -10.2% |
| 1Q24 | 1,235 | -11.6% |
| 4Q23 | 1,471 | -5.5% |
| 3Q23 | 1,360 | -12.1% |
| 2Q23 | 1,408 | +20.8% |
| 1Q23 | 1,398 | +11.6% |
| 4Q22 | 1,558 | +21.4% |
| 3Q22 | 1,547 | +30.1% |
| 2Q22 | 1,166 | -2.0% |
| 1Q22 | 1,252 | +11.4% |
| 4Q21 | 1,284 | +16.4% |
| 3Q21 | 1,189 | +25.3% |
| 2Q21 | 1,189 | +3.6% |
| 1Q21 | 1,124 | +4.2% |
| 4Q20 | 1,102 | -10.1% |
| 3Q20 | 949 | -16.8% |
| 2Q20 | 1,148 | -2.8% |
| 1Q20 | 1,078 | -9.2% |
| 4Q19 | 1,227 | +2.9% |
| 3Q19 | 1,141 | -8.3% |
| 2Q19 | 1,181 | -12.1% |
| 1Q19 | 1,188 | -8.7% |
| 4Q18 | 1,193 | -10.1% |
| 3Q18 | 1,245 | +9.1% |
| 2Q18 | 1,343 | +33.7% |
| 1Q18 | 1,302 | +32.0% |
| 4Q17 | 1,326 | +18.9% |
| 3Q17 | 1,141 | +21.5% |
| 2Q17 | 1,004 | +11.3% |
| 1Q17 | 986 | +5.5% |
| 4Q16 | 1,115 | +1.8% |
| 3Q16 | 939 | - |
| 2Q16 | 902 | - |
| 1Q16 | 934 | - |
| 4Q15 | 1,095 | - |