| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 15,391 | -8.6% |
| 2Q26 | 15,295 | -14.7% |
| 1Q26 | 13,933 | -9.4% |
| 4Q25 | 16,483 | -9.7% |
| 3Q25 | 16,834 | -5.5% |
| 2Q25 | 17,922 | +4.1% |
| 1Q25 | 15,375 | -5.6% |
| 4Q24 | 18,263 | +2.6% |
| 3Q24 | 17,810 | +5.7% |
| 2Q24 | 17,211 | +8.0% |
| 1Q24 | 16,290 | +16.8% |
| 4Q23 | 17,792 | +8.9% |
| 3Q23 | 16,844 | +20.1% |
| 2Q23 | 15,929 | +13.0% |
| 1Q23 | 13,946 | -0.0% |
| 4Q22 | 16,335 | -3.9% |
| 3Q22 | 14,030 | -14.9% |
| 2Q22 | 14,101 | +4.1% |
| 1Q22 | 13,947 | +19.0% |
| 4Q21 | 16,997 | -8.8% |
| 3Q21 | 16,494 | -5.9% |
| 2Q21 | 13,540 | -29.8% |
| 1Q21 | 11,719 | -33.6% |
| 4Q20 | 18,631 | -6.2% |
| 3Q20 | 17,527 | -14.5% |
| 2Q20 | 19,290 | -2.2% |
| 1Q20 | 17,649 | -3.4% |
| 4Q19 | 19,861 | -3.8% |
| 3Q19 | 20,497 | +8.1% |
| 2Q19 | 19,733 | +4.6% |
| 1Q19 | 18,267 | +5.4% |
| 4Q18 | 20,650 | +8.5% |
| 3Q18 | 18,954 | +3.9% |
| 2Q18 | 18,857 | +9.9% |
| 1Q18 | 17,326 | +5.5% |
| 4Q17 | 19,027 | -2.0% |
| 3Q17 | 18,237 | +4.4% |
| 2Q17 | 17,154 | - |
| 1Q17 | 16,422 | - |
| 4Q16 | 19,416 | - |
| 3Q16 | 17,470 | - |