| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 27,449 | +6.5% |
| 4Q25 | 26,631 | +3.4% |
| 3Q25 | 28,354 | +0.6% |
| 2Q25 | 28,028 | +5.4% |
| 1Q25 | 25,780 | +5.5% |
| 4Q24 | 25,746 | +6.2% |
| 3Q24 | 28,183 | +9.5% |
| 2Q24 | 26,592 | +9.6% |
| 1Q24 | 24,444 | +5.0% |
| 4Q23 | 24,252 | +5.3% |
| 3Q23 | 25,730 | +1.7% |
| 2Q23 | 24,263 | -2.6% |
| 1Q23 | 23,272 | +4.8% |
| 4Q22 | 23,030 | -5.3% |
| 3Q22 | 25,306 | -7.7% |
| 2Q22 | 24,920 | -4.7% |
| 1Q22 | 22,199 | -5.5% |
| 4Q21 | 24,323 | +13.6% |
| 3Q21 | 27,411 | +7.6% |
| 2Q21 | 26,158 | +6.9% |
| 1Q21 | 23,485 | -7.9% |
| 4Q20 | 21,409 | -8.4% |
| 3Q20 | 25,473 | +5.9% |
| 2Q20 | 24,459 | -8.3% |
| 1Q20 | 25,487 | +14.8% |
| 4Q19 | 23,369 | +4.1% |
| 3Q19 | 24,048 | -4.4% |
| 2Q19 | 26,679 | +4.6% |
| 1Q19 | 22,195 | -5.7% |
| 4Q18 | 22,438 | +1.8% |
| 3Q18 | 25,160 | +0.2% |
| 2Q18 | 25,503 | +2.9% |
| 1Q18 | 23,538 | +2.5% |
| 4Q17 | 22,047 | +2.9% |
| 3Q17 | 25,104 | -2.3% |
| 2Q17 | 24,775 | +5.5% |
| 1Q17 | 22,953 | +10.7% |
| 4Q16 | 21,418 | - |
| 3Q16 | 25,685 | - |
| 2Q16 | 23,479 | - |
| 1Q16 | 20,743 | - |