| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 13,902 | -4.7% |
| 3Q25 | 12,205 | -6.7% |
| 2Q25 | 12,713 | -3.7% |
| 1Q25 | 12,791 | +1.0% |
| 4Q24 | 14,584 | -4.2% |
| 3Q24 | 13,087 | -5.4% |
| 2Q24 | 13,198 | -0.9% |
| 1Q24 | 12,668 | -1.3% |
| 4Q23 | 15,224 | -3.9% |
| 3Q23 | 13,834 | -4.8% |
| 2Q23 | 13,312 | -5.1% |
| 1Q23 | 12,829 | -4.0% |
| 4Q22 | 15,845 | +22.2% |
| 3Q22 | 14,532 | +20.0% |
| 2Q22 | 14,023 | +17.5% |
| 1Q22 | 13,366 | +16.1% |
| 4Q21 | 12,968 | +3.1% |
| 3Q21 | 12,107 | +8.3% |
| 2Q21 | 11,933 | +0.4% |
| 1Q21 | 11,512 | -2.1% |
| 4Q20 | 12,579 | -8.8% |
| 3Q20 | 11,182 | -11.1% |
| 2Q20 | 11,887 | -7.3% |
| 1Q20 | 11,754 | -4.4% |
| 4Q19 | 13,798 | +1.6% |
| 3Q19 | 12,581 | +5.1% |
| 2Q19 | 12,820 | +4.2% |
| 1Q19 | 12,298 | +0.7% |
| 4Q18 | 13,575 | -0.8% |
| 3Q18 | 11,967 | -2.2% |
| 2Q18 | 12,301 | +0.7% |
| 1Q18 | 12,210 | +3.3% |
| 4Q17 | 13,687 | +2.6% |
| 3Q17 | 12,240 | +2.9% |
| 2Q17 | 12,210 | -0.1% |
| 1Q17 | 11,816 | +0.4% |
| 4Q16 | 13,338 | +0.9% |
| 3Q16 | 11,899 | - |
| 2Q16 | 12,222 | - |
| 1Q16 | 11,772 | - |
| 4Q15 | 13,213 | - |