| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 27,452 | -11.7% |
| 1Q26 | 24,346 | +3.3% |
| 4Q25 | 34,257 | +12.4% |
| 3Q25 | 26,467 | -10.2% |
| 2Q25 | 31,102 | +4.5% |
| 1Q25 | 23,574 | -4.9% |
| 4Q24 | 30,491 | -3.2% |
| 3Q24 | 29,469 | +16.2% |
| 2Q24 | 29,752 | -3.1% |
| 1Q24 | 24,792 | +2.2% |
| 4Q23 | 31,502 | +22.6% |
| 3Q23 | 25,350 | +8.4% |
| 2Q23 | 30,705 | +33.6% |
| 1Q23 | 24,252 | +6.7% |
| 4Q22 | 25,693 | +3.9% |
| 3Q22 | 23,377 | +15.8% |
| 2Q22 | 22,989 | +22.1% |
| 1Q22 | 22,733 | +51.7% |
| 4Q21 | 24,725 | -8.5% |
| 3Q21 | 20,181 | -20.2% |
| 2Q21 | 18,827 | -34.0% |
| 1Q21 | 14,986 | -39.4% |
| 4Q20 | 27,017 | -5.3% |
| 3Q20 | 25,305 | -1.8% |
| 2Q20 | 28,547 | +4.7% |
| 1Q20 | 24,711 | -1.4% |
| 4Q19 | 28,530 | +0.2% |
| 3Q19 | 25,765 | -10.2% |
| 2Q19 | 27,256 | -2.9% |
| 1Q19 | 25,060 | -4.1% |
| 4Q18 | 28,471 | -9.1% |
| 3Q18 | 28,683 | +3.1% |
| 2Q18 | 28,056 | +1.6% |
| 1Q18 | 26,140 | +2.1% |
| 4Q17 | 31,338 | +11.6% |
| 3Q17 | 27,834 | -1.6% |
| 2Q17 | 27,620 | - |
| 1Q17 | 25,591 | - |
| 4Q16 | 28,077 | - |
| 3Q16 | 28,274 | - |