| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 18,059 | -0.9% |
| 4Q25 | 19,662 | +0.4% |
| 3Q25 | 18,469 | -1.3% |
| 2Q25 | 19,091 | -1.4% |
| 1Q25 | 18,228 | -0.9% |
| 4Q24 | 19,574 | -2.7% |
| 3Q24 | 18,714 | -1.3% |
| 2Q24 | 19,358 | +3.8% |
| 1Q24 | 18,396 | +3.1% |
| 4Q23 | 20,108 | +5.8% |
| 3Q23 | 18,960 | +1.3% |
| 2Q23 | 18,641 | -0.0% |
| 1Q23 | 17,850 | -0.0% |
| 4Q22 | 19,002 | -3.8% |
| 3Q22 | 18,718 | -2.4% |
| 2Q22 | 18,645 | -2.0% |
| 1Q22 | 17,856 | -2.0% |
| 4Q21 | 19,755 | +1.2% |
| 3Q21 | 19,176 | -3.6% |
| 2Q21 | 19,022 | +0.8% |
| 1Q21 | 18,222 | +2.4% |
| 4Q20 | 19,528 | -1.7% |
| 3Q20 | 19,882 | +3.4% |
| 2Q20 | 18,872 | +6.9% |
| 1Q20 | 17,790 | +4.4% |
| 4Q19 | 19,875 | +6.6% |
| 3Q19 | 19,220 | +8.8% |
| 2Q19 | 17,649 | +1.0% |
| 1Q19 | 17,043 | -2.1% |
| 4Q18 | 18,642 | +1.8% |
| 3Q18 | 17,668 | +0.4% |
| 2Q18 | 17,481 | +2.4% |
| 1Q18 | 17,406 | +3.7% |
| 4Q17 | 18,314 | +0.8% |
| 3Q17 | 17,601 | -1.6% |
| 2Q17 | 17,070 | -2.6% |
| 1Q17 | 16,787 | -1.6% |
| 4Q16 | 18,162 | - |
| 3Q16 | 17,893 | - |
| 2Q16 | 17,532 | - |
| 1Q16 | 17,067 | - |