| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 16,915 | +10.4% |
| 3Q25 | 15,028 | +10.5% |
| 2Q25 | 16,705 | -5.1% |
| 1Q25 | 13,296 | -10.9% |
| 4Q24 | 15,317 | +4.7% |
| 3Q24 | 13,602 | +1.9% |
| 2Q24 | 17,605 | +10.4% |
| 1Q24 | 14,916 | +16.7% |
| 4Q23 | 14,628 | +15.3% |
| 3Q23 | 13,352 | +4.1% |
| 2Q23 | 15,953 | +9.6% |
| 1Q23 | 12,779 | +0.9% |
| 4Q22 | 12,683 | -1.1% |
| 3Q22 | 12,832 | +9.3% |
| 2Q22 | 14,562 | +13.6% |
| 1Q22 | 12,661 | +10.1% |
| 4Q21 | 12,818 | +9.2% |
| 3Q21 | 11,736 | +21.0% |
| 2Q21 | 12,815 | +31.1% |
| 1Q21 | 11,495 | +8.0% |
| 4Q20 | 11,737 | -10.1% |
| 3Q20 | 9,703 | -17.5% |
| 2Q20 | 9,777 | -23.4% |
| 1Q20 | 10,641 | -5.3% |
| 4Q19 | 13,049 | +1.5% |
| 3Q19 | 11,764 | +4.1% |
| 2Q19 | 12,763 | +2.8% |
| 1Q19 | 11,237 | +1.7% |
| 4Q18 | 12,858 | -4.8% |
| 3Q18 | 11,306 | -4.6% |
| 2Q18 | 12,414 | -4.6% |
| 1Q18 | 11,044 | -5.5% |
| 4Q17 | 13,508 | +10.0% |
| 3Q17 | 11,849 | +12.0% |
| 2Q17 | 13,012 | +9.8% |
| 1Q17 | 11,686 | +7.5% |
| 4Q16 | 12,277 | -2.7% |
| 3Q16 | 10,576 | - |
| 2Q16 | 11,855 | - |
| 1Q16 | 10,872 | - |
| 4Q15 | 12,613 | - |