| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 20,270 | +3.4% |
| 3Q25 | 20,429 | +1.2% |
| 2Q25 | 20,629 | -5.2% |
| 1Q25 | 19,596 | +4.2% |
| 4Q24 | 20,450 | +0.8% |
| 3Q24 | 20,196 | +8.9% |
| 2Q24 | 21,755 | +8.7% |
| 1Q24 | 18,801 | +13.6% |
| 4Q23 | 20,290 | +19.4% |
| 3Q23 | 18,553 | +13.8% |
| 2Q23 | 20,008 | +22.3% |
| 1Q23 | 16,548 | +11.1% |
| 4Q22 | 16,987 | +0.7% |
| 3Q22 | 16,305 | +0.3% |
| 2Q22 | 16,360 | -5.8% |
| 1Q22 | 14,891 | +20.4% |
| 4Q21 | 16,870 | +2.8% |
| 3Q21 | 16,263 | -8.8% |
| 2Q21 | 17,376 | -14.0% |
| 1Q21 | 12,367 | -32.7% |
| 4Q20 | 16,415 | -16.5% |
| 3Q20 | 17,828 | -8.3% |
| 2Q20 | 20,209 | -2.4% |
| 1Q20 | 18,385 | -0.8% |
| 4Q19 | 19,650 | -2.1% |
| 3Q19 | 19,450 | +0.7% |
| 2Q19 | 20,709 | -0.1% |
| 1Q19 | 18,537 | +0.1% |
| 4Q18 | 20,065 | +1.8% |
| 3Q18 | 19,321 | +1.1% |
| 2Q18 | 20,723 | +4.1% |
| 1Q18 | 18,524 | +3.6% |
| 4Q17 | 19,712 | -4.7% |
| 3Q17 | 19,120 | +0.7% |
| 2Q17 | 19,907 | -4.8% |
| 1Q17 | 17,888 | -0.9% |
| 4Q16 | 20,685 | - |
| 3Q16 | 18,994 | - |
| 2Q16 | 20,916 | - |
| 1Q16 | 18,056 | - |