| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 1,808 | +8.9% |
| 3Q25 | 1,707 | 0.0% |
| 2Q25 | 1,827 | +2.2% |
| 1Q25 | 1,659 | -4.0% |
| 4Q24 | 1,695 | +0.1% |
| 3Q24 | 1,707 | -8.0% |
| 2Q24 | 1,788 | -1.0% |
| 1Q24 | 1,729 | -7.4% |
| 4Q23 | 1,693 | -4.0% |
| 3Q23 | 1,855 | +3.3% |
| 2Q23 | 1,807 | -5.8% |
| 1Q23 | 1,868 | +0.2% |
| 4Q22 | 1,763 | -43.5% |
| 3Q22 | 1,796 | -77.9% |
| 2Q22 | 1,919 | -76.5% |
| 1Q22 | 1,864 | -78.9% |
| 4Q21 | 3,121 | -67.0% |
| 3Q21 | 8,130 | -4.2% |
| 2Q21 | 8,162 | -2.7% |
| 1Q21 | 8,852 | +3.9% |
| 4Q20 | 9,468 | +8.3% |
| 3Q20 | 8,487 | -3.8% |
| 2Q20 | 8,388 | -4.6% |
| 1Q20 | 8,517 | -2.2% |
| 4Q19 | 8,743 | +3.7% |
| 3Q19 | 8,823 | +3.9% |
| 2Q19 | 8,790 | +2.8% |
| 1Q19 | 8,706 | -1.3% |
| 4Q18 | 8,434 | -2.3% |
| 3Q18 | 8,490 | +1.2% |
| 2Q18 | 8,551 | +2.0% |
| 1Q18 | 8,822 | -0.0% |
| 4Q17 | 8,630 | +2.3% |
| 3Q17 | 8,391 | +2.1% |
| 2Q17 | 8,384 | +4.4% |
| 1Q17 | 8,824 | +6.7% |
| 4Q16 | 8,436 | - |
| 3Q16 | 8,220 | - |
| 2Q16 | 8,029 | - |
| 1Q16 | 8,270 | - |