| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,779 | -15.3% |
| 3Q25 | 2,914 | -10.4% |
| 2Q25 | 2,927 | -10.4% |
| 1Q25 | 3,081 | -5.2% |
| 4Q24 | 3,281 | +6.2% |
| 3Q24 | 3,253 | -0.7% |
| 2Q24 | 3,267 | -9.3% |
| 1Q24 | 3,251 | -14.9% |
| 4Q23 | 3,091 | -9.6% |
| 3Q23 | 3,277 | -3.0% |
| 2Q23 | 3,603 | +12.0% |
| 1Q23 | 3,823 | +42.0% |
| 4Q22 | 3,417 | -2.0% |
| 3Q22 | 3,379 | +25.4% |
| 2Q22 | 3,218 | +36.7% |
| 1Q22 | 2,691 | +12.3% |
| 4Q21 | 3,489 | +48.2% |
| 3Q21 | 2,695 | +14.1% |
| 2Q21 | 2,353 | -4.4% |
| 1Q21 | 2,396 | -4.3% |
| 4Q20 | 2,354 | -9.6% |
| 3Q20 | 2,361 | -0.1% |
| 2Q20 | 2,461 | - |
| 1Q20 | 2,503 | +24.9% |
| 4Q19 | 2,603 | +29.2% |
| 3Q19 | 2,364 | +20.9% |
| 1Q19 | 2,004 | -0.8% |
| 4Q18 | 2,014 | +7.1% |
| 3Q18 | 1,955 | +7.5% |
| 2Q18 | 1,999 | +17.2% |
| 1Q18 | 2,020 | +24.7% |
| 4Q17 | 1,881 | +27.5% |
| 3Q17 | 1,819 | - |
| 2Q17 | 1,705 | - |
| 1Q17 | 1,620 | - |
| 4Q16 | 1,475 | - |