| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 2,598 | +0.4% |
| 4Q25 | 2,659 | +0.2% |
| 3Q25 | 2,540 | -1.0% |
| 2Q25 | 2,620 | -10.6% |
| 1Q25 | 2,587 | -5.3% |
| 4Q24 | 2,653 | -0.4% |
| 3Q24 | 2,565 | -5.8% |
| 2Q24 | 2,930 | +4.4% |
| 1Q24 | 2,730 | +5.0% |
| 4Q23 | 2,664 | -0.1% |
| 3Q23 | 2,724 | +4.1% |
| 2Q23 | 2,806 | +14.4% |
| 1Q23 | 2,599 | +5.1% |
| 4Q22 | 2,667 | -19.4% |
| 3Q22 | 2,615 | -21.1% |
| 2Q22 | 2,453 | -9.8% |
| 1Q22 | 2,474 | +11.4% |
| 4Q21 | 3,308 | +64.1% |
| 3Q21 | 3,313 | +20.4% |
| 2Q21 | 2,720 | -4.8% |
| 1Q21 | 2,221 | -26.3% |
| 4Q20 | 2,015 | -35.0% |
| 3Q20 | 2,753 | -4.9% |
| 2Q20 | 2,856 | -6.6% |
| 1Q20 | 3,011 | +4.9% |
| 4Q19 | 3,101 | +6.0% |
| 3Q19 | 2,894 | +0.2% |
| 2Q19 | 3,058 | +2.4% |
| 1Q19 | 2,872 | +1.1% |
| 4Q18 | 2,924 | +6.4% |
| 3Q18 | 2,887 | +5.2% |
| 2Q18 | 2,987 | +10.3% |
| 1Q18 | 2,840 | +5.8% |
| 4Q17 | 2,749 | +5.1% |
| 3Q17 | 2,745 | +6.0% |
| 2Q17 | 2,707 | -3.7% |
| 1Q17 | 2,684 | -7.2% |
| 4Q16 | 2,615 | - |
| 3Q16 | 2,590 | - |
| 2Q16 | 2,812 | - |
| 1Q16 | 2,893 | - |