| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 5,468 | -4.5% |
| 4Q25 | 6,016 | -7.8% |
| 1Q25 | 5,728 | -1.2% |
| 4Q24 | 6,524 | +12.0% |
| 3Q24 | 5,945 | +11.1% |
| 2Q24 | 5,993 | -0.3% |
| 1Q24 | 5,795 | +0.9% |
| 4Q23 | 5,823 | +1.3% |
| 3Q23 | 5,352 | -6.2% |
| 2Q23 | 6,009 | +9.0% |
| 1Q23 | 5,741 | +10.6% |
| 4Q22 | 5,748 | +11.7% |
| 3Q22 | 5,703 | +4.6% |
| 2Q22 | 5,511 | +16.5% |
| 1Q22 | 5,191 | +21.5% |
| 4Q21 | 5,144 | +7.2% |
| 3Q21 | 5,454 | +21.5% |
| 2Q21 | 4,732 | -3.2% |
| 1Q21 | 4,271 | -16.3% |
| 4Q20 | 4,797 | -8.6% |
| 3Q20 | 4,489 | -15.6% |
| 2Q20 | 4,888 | -5.6% |
| 1Q20 | 5,104 | -7.7% |
| 4Q19 | 5,247 | -1.0% |
| 3Q19 | 5,316 | +19.7% |
| 2Q19 | 5,177 | +7.4% |
| 1Q19 | 5,530 | +31.6% |
| 4Q18 | 5,298 | +26.1% |
| 3Q18 | 4,442 | +8.2% |
| 2Q18 | 4,821 | +10.0% |
| 1Q18 | 4,204 | +14.8% |
| 4Q17 | 4,201 | -0.3% |
| 3Q17 | 4,105 | +8.2% |
| 2Q17 | 4,383 | +13.6% |
| 1Q17 | 3,661 | -15.2% |
| 4Q16 | 4,215 | -6.8% |
| 3Q16 | 3,793 | - |
| 2Q16 | 3,857 | - |
| 1Q16 | 4,317 | - |
| 4Q15 | 4,525 | - |