| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 16,186 | -2.0% |
| 1Q26 | 14,367 | -6.7% |
| 3Q25 | 15,536 | -9.2% |
| 2Q25 | 16,509 | +4.2% |
| 1Q25 | 15,395 | +0.9% |
| 4Q24 | 16,218 | -3.3% |
| 3Q24 | 17,116 | -6.0% |
| 2Q24 | 15,836 | -10.9% |
| 1Q24 | 15,253 | -0.4% |
| 4Q23 | 16,770 | +2.4% |
| 3Q23 | 18,206 | +19.0% |
| 2Q23 | 17,777 | +21.1% |
| 1Q23 | 15,313 | +9.7% |
| 4Q22 | 16,369 | +6.3% |
| 3Q22 | 15,294 | -1.2% |
| 2Q22 | 14,676 | +3.3% |
| 1Q22 | 13,954 | +11.3% |
| 4Q21 | 15,396 | -2.6% |
| 3Q21 | 15,481 | -3.6% |
| 2Q21 | 14,204 | -13.2% |
| 1Q21 | 12,534 | -18.0% |
| 4Q20 | 15,810 | -9.3% |
| 3Q20 | 16,065 | -13.1% |
| 2Q20 | 16,357 | -4.0% |
| 1Q20 | 15,293 | -1.1% |
| 4Q19 | 17,428 | -3.6% |
| 3Q19 | 18,496 | +2.8% |
| 2Q19 | 17,031 | -2.9% |
| 1Q19 | 15,465 | -3.2% |
| 4Q18 | 18,074 | -6.5% |
| 3Q18 | 17,994 | +5.6% |
| 2Q18 | 17,546 | +4.1% |
| 1Q18 | 15,981 | +2.9% |
| 4Q17 | 19,327 | +3.2% |
| 3Q17 | 17,039 | -6.8% |
| 2Q17 | 16,847 | -6.6% |
| 1Q17 | 15,530 | -2.3% |
| 4Q16 | 18,734 | - |
| 3Q16 | 18,280 | - |
| 2Q16 | 18,029 | - |
| 1Q16 | 15,900 | - |