| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 16,499 | -4.2% |
| 2Q26 | 17,741 | -4.6% |
| 1Q26 | 16,890 | -5.0% |
| 4Q25 | 17,755 | -2.7% |
| 3Q25 | 17,221 | -4.9% |
| 2Q25 | 18,595 | -8.7% |
| 1Q25 | 17,783 | -6.5% |
| 4Q24 | 18,245 | +2.7% |
| 3Q24 | 18,102 | +5.1% |
| 2Q24 | 20,374 | +10.6% |
| 1Q24 | 19,022 | +9.2% |
| 4Q23 | 17,768 | +7.2% |
| 3Q23 | 17,223 | +6.0% |
| 2Q23 | 18,422 | +14.2% |
| 1Q23 | 17,412 | +9.0% |
| 4Q22 | 16,572 | +1.9% |
| 3Q22 | 16,254 | +1.2% |
| 2Q22 | 16,131 | +0.7% |
| 1Q22 | 15,974 | +16.6% |
| 4Q21 | 16,262 | +8.8% |
| 3Q21 | 16,058 | +13.1% |
| 2Q21 | 16,022 | +1.3% |
| 1Q21 | 13,699 | +0.4% |
| 4Q20 | 14,942 | - |
| 3Q20 | 14,198 | - |
| 2Q20 | 15,822 | - |
| 1Q20 | 13,640 | - |