| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,459 | -6.3% |
| 3Q25 | 3,667 | +4.5% |
| 2Q25 | 3,507 | +6.7% |
| 1Q25 | 3,945 | +8.2% |
| 4Q24 | 3,693 | +15.6% |
| 3Q24 | 3,508 | +14.3% |
| 2Q24 | 3,288 | +22.1% |
| 1Q24 | 3,645 | +19.1% |
| 4Q23 | 3,193 | +7.6% |
| 3Q23 | 3,069 | +12.0% |
| 2Q23 | 2,693 | -1.5% |
| 1Q23 | 3,062 | -1.5% |
| 4Q22 | 2,968 | -0.9% |
| 3Q22 | 2,739 | -5.0% |
| 2Q22 | 2,733 | -4.2% |
| 1Q22 | 3,107 | -4.5% |
| 4Q21 | 2,996 | -2.8% |
| 3Q21 | 2,884 | +0.4% |
| 2Q21 | 2,853 | -7.4% |
| 1Q21 | 3,254 | -4.6% |
| 4Q20 | 3,081 | -2.7% |
| 3Q20 | 2,874 | -7.9% |
| 2Q20 | 3,080 | +4.1% |
| 1Q20 | 3,409 | -1.7% |
| 4Q19 | 3,168 | -2.2% |
| 3Q19 | 3,121 | +6.0% |
| 2Q19 | 2,958 | +10.0% |
| 1Q19 | 3,469 | +5.5% |
| 4Q18 | 3,238 | +12.8% |
| 3Q18 | 2,945 | -0.2% |
| 2Q18 | 2,689 | +4.2% |
| 1Q18 | 3,289 | +8.5% |
| 4Q17 | 2,871 | +2.7% |
| 3Q17 | 2,951 | +12.5% |
| 2Q17 | 2,581 | +1.6% |
| 1Q17 | 3,032 | -3.7% |
| 4Q16 | 2,797 | - |
| 3Q16 | 2,624 | - |
| 2Q16 | 2,542 | - |
| 1Q16 | 3,148 | - |