| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 20,568 | +7.2% |
| 2Q26 | 19,815 | +1.3% |
| 1Q26 | 19,208 | +3.9% |
| 4Q25 | 20,660 | -1.7% |
| 3Q25 | 19,193 | -7.4% |
| 2Q25 | 19,555 | -0.8% |
| 1Q25 | 18,485 | -4.4% |
| 4Q24 | 21,024 | -3.7% |
| 3Q24 | 20,717 | +3.8% |
| 2Q24 | 19,721 | -3.8% |
| 1Q24 | 19,335 | +10.0% |
| 4Q23 | 21,830 | +29.3% |
| 3Q23 | 19,949 | +26.0% |
| 2Q23 | 20,502 | +32.9% |
| 1Q23 | 17,577 | +3.4% |
| 4Q22 | 16,887 | +1.6% |
| 3Q22 | 15,838 | -2.7% |
| 2Q22 | 15,427 | +5.4% |
| 1Q22 | 16,997 | +52.1% |
| 4Q21 | 16,627 | +13.7% |
| 3Q21 | 16,276 | +12.5% |
| 2Q21 | 14,637 | -2.9% |
| 1Q21 | 11,176 | -30.3% |
| 4Q20 | 14,619 | +24.9% |
| 3Q20 | 14,470 | - |
| 2Q20 | 15,074 | - |
| 1Q20 | 16,033 | - |
| 4Q19 | 11,703 | - |