| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 22,123 | +23.5% |
| 2Q26 | 14,213 | -18.4% |
| 1Q26 | 15,126 | -12.4% |
| 4Q25 | 20,025 | +0.1% |
| 3Q25 | 17,910 | -1.7% |
| 2Q25 | 17,414 | +11.4% |
| 1Q25 | 17,261 | +2.7% |
| 4Q24 | 19,999 | +2.5% |
| 3Q24 | 18,219 | -2.5% |
| 2Q24 | 15,626 | +0.3% |
| 1Q24 | 16,810 | +6.6% |
| 4Q23 | 19,515 | +10.7% |
| 3Q23 | 18,688 | +13.5% |
| 2Q23 | 15,578 | +8.3% |
| 1Q23 | 15,774 | +4.7% |
| 4Q22 | 17,631 | -10.7% |
| 3Q22 | 16,468 | -10.4% |
| 2Q22 | 14,387 | -26.1% |
| 1Q22 | 15,069 | +19.4% |
| 4Q21 | 19,754 | -15.5% |
| 3Q21 | 18,377 | -5.1% |
| 2Q21 | 19,478 | -1.0% |
| 1Q21 | 12,623 | -30.9% |
| 4Q20 | 23,387 | -6.6% |
| 3Q20 | 19,360 | +6.4% |
| 2Q20 | 19,680 | +11.2% |
| 1Q20 | 18,258 | +7.4% |
| 4Q19 | 25,029 | +23.6% |
| 3Q19 | 18,196 | +5.8% |
| 2Q19 | 17,697 | +2.7% |
| 1Q19 | 16,994 | +3.1% |
| 4Q18 | 20,253 | -2.8% |
| 3Q18 | 17,200 | +1.3% |
| 2Q18 | 17,229 | -2.3% |
| 1Q18 | 16,477 | -5.0% |
| 4Q17 | 20,834 | -4.4% |
| 3Q17 | 16,976 | -8.3% |
| 2Q17 | 17,630 | - |
| 1Q17 | 17,336 | - |
| 4Q16 | 21,795 | - |
| 3Q16 | 18,507 | - |