| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 10,153 | +6.0% |
| 2Q26 | 9,235 | -10.4% |
| 1Q26 | 9,520 | -8.7% |
| 4Q25 | 9,232 | +3.2% |
| 3Q25 | 9,576 | -0.1% |
| 2Q25 | 10,312 | +8.5% |
| 1Q25 | 10,423 | +13.6% |
| 4Q24 | 8,949 | +1.9% |
| 3Q24 | 9,589 | +0.8% |
| 2Q24 | 9,501 | +2.4% |
| 1Q24 | 9,175 | +0.2% |
| 4Q23 | 8,781 | +4.8% |
| 3Q23 | 9,514 | +13.1% |
| 2Q23 | 9,277 | +9.2% |
| 1Q23 | 9,154 | +4.7% |
| 4Q22 | 8,375 | -18.0% |
| 3Q22 | 8,415 | -15.8% |
| 2Q22 | 8,496 | +11.7% |
| 1Q22 | 8,742 | +8.5% |
| 4Q21 | 10,210 | +20.8% |
| 3Q21 | 9,989 | +7.0% |
| 2Q21 | 7,607 | -27.0% |
| 1Q21 | 8,056 | -17.0% |
| 4Q20 | 8,449 | -5.9% |
| 3Q20 | 9,335 | -5.3% |
| 2Q20 | 10,423 | +6.6% |
| 1Q20 | 9,703 | -3.9% |
| 4Q19 | 8,982 | -9.7% |
| 3Q19 | 9,856 | -4.9% |
| 2Q19 | 9,777 | -7.2% |
| 1Q19 | 10,093 | +2.6% |
| 4Q18 | 9,945 | -9.3% |
| 3Q18 | 10,366 | -15.2% |
| 2Q18 | 10,538 | -8.6% |
| 1Q18 | 9,833 | -14.4% |
| 4Q17 | 10,960 | -14.0% |
| 3Q17 | 12,231 | -19.1% |
| 2Q17 | 11,531 | - |
| 1Q17 | 11,493 | - |
| 4Q16 | 12,752 | - |
| 3Q16 | 15,125 | - |