| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 8,759 | -9.8% |
| 1Q26 | 8,725 | -16.8% |
| 3Q25 | 9,259 | -15.5% |
| 2Q25 | 9,715 | -24.1% |
| 1Q25 | 10,491 | -13.3% |
| 4Q24 | 11,743 | -9.8% |
| 3Q24 | 10,960 | -18.3% |
| 2Q24 | 12,804 | -1.8% |
| 1Q24 | 12,100 | -1.1% |
| 4Q23 | 13,022 | +9.0% |
| 3Q23 | 13,411 | +22.3% |
| 2Q23 | 13,043 | +21.3% |
| 1Q23 | 12,237 | +12.8% |
| 4Q22 | 11,943 | +5.6% |
| 3Q22 | 10,967 | +5.1% |
| 2Q22 | 10,749 | +6.7% |
| 1Q22 | 10,844 | +16.5% |
| 4Q21 | 11,314 | -7.8% |
| 3Q21 | 10,436 | -11.8% |
| 2Q21 | 10,078 | -15.7% |
| 1Q21 | 9,307 | -24.2% |
| 4Q20 | 12,268 | -6.2% |
| 3Q20 | 11,838 | -13.9% |
| 2Q20 | 11,952 | -11.9% |
| 1Q20 | 12,281 | -6.7% |
| 4Q19 | 13,076 | -3.9% |
| 3Q19 | 13,752 | -0.6% |
| 2Q19 | 13,560 | -1.7% |
| 1Q19 | 13,169 | -4.5% |
| 4Q18 | 13,605 | +1.9% |
| 3Q18 | 13,829 | +10.3% |
| 2Q18 | 13,792 | +6.0% |
| 1Q18 | 13,784 | +6.3% |
| 4Q17 | 13,355 | -4.8% |
| 3Q17 | 12,532 | -7.6% |
| 2Q17 | 13,006 | - |
| 1Q17 | 12,966 | - |
| 4Q16 | 14,023 | - |
| 3Q16 | 13,569 | - |