| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 3,706 | -5.5% |
| 2Q26 | 3,862 | -3.2% |
| 1Q26 | 3,695 | -8.3% |
| 4Q25 | 3,682 | +3.9% |
| 3Q25 | 3,923 | +7.5% |
| 2Q25 | 3,988 | +13.2% |
| 1Q25 | 4,031 | +21.8% |
| 4Q24 | 3,545 | +3.9% |
| 3Q24 | 3,648 | +0.6% |
| 2Q24 | 3,522 | -2.3% |
| 1Q24 | 3,311 | -3.7% |
| 4Q23 | 3,412 | +5.4% |
| 3Q23 | 3,626 | +12.7% |
| 2Q23 | 3,605 | +12.1% |
| 1Q23 | 3,437 | +11.0% |
| 4Q22 | 3,236 | +5.9% |
| 3Q22 | 3,216 | +17.6% |
| 2Q22 | 3,215 | +16.7% |
| 1Q22 | 3,096 | +8.3% |
| 4Q21 | 3,057 | +2.4% |
| 3Q21 | 2,735 | -3.7% |
| 2Q21 | 2,754 | -5.8% |
| 1Q21 | 2,858 | +7.2% |
| 4Q20 | 2,987 | +15.6% |
| 3Q20 | 2,842 | +9.2% |
| 2Q20 | 2,924 | +3.1% |
| 1Q20 | 2,667 | 0.0% |
| 4Q19 | 2,585 | +4.4% |
| 3Q19 | 2,602 | +1.4% |
| 2Q19 | 2,837 | +7.7% |
| 1Q19 | 2,667 | +5.0% |
| 4Q18 | 2,475 | -1.2% |
| 3Q18 | 2,566 | -1.5% |
| 2Q18 | 2,634 | +1.3% |
| 1Q18 | 2,538 | -5.6% |
| 4Q17 | 2,506 | -3.1% |
| 3Q17 | 2,604 | -4.1% |
| 2Q17 | 2,599 | +0.2% |
| 1Q17 | 2,690 | +0.8% |
| 4Q16 | 2,587 | - |
| 3Q16 | 2,717 | - |
| 2Q16 | 2,593 | - |
| 1Q16 | 2,669 | - |