| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 21,263 | -5.9% |
| 1Q26 | 20,274 | -0.6% |
| 4Q25 | 21,447 | -1.7% |
| 3Q25 | 21,312 | -1.7% |
| 2Q25 | 22,604 | +7.0% |
| 1Q25 | 20,389 | +3.6% |
| 4Q24 | 21,818 | +6.9% |
| 3Q24 | 21,671 | +9.3% |
| 2Q24 | 21,119 | +1.2% |
| 1Q24 | 19,678 | +12.6% |
| 4Q23 | 20,410 | +13.9% |
| 3Q23 | 19,820 | +22.0% |
| 2Q23 | 20,873 | +23.5% |
| 1Q23 | 17,474 | +13.9% |
| 4Q22 | 17,927 | -18.7% |
| 3Q22 | 16,251 | -18.1% |
| 2Q22 | 16,906 | -0.2% |
| 1Q22 | 15,342 | -11.1% |
| 4Q21 | 22,052 | -12.6% |
| 3Q21 | 19,849 | -15.3% |
| 2Q21 | 16,942 | -29.4% |
| 1Q21 | 17,264 | -27.3% |
| 4Q20 | 25,234 | -6.0% |
| 3Q20 | 23,434 | -13.9% |
| 2Q20 | 24,002 | -9.3% |
| 1Q20 | 23,749 | -4.7% |
| 4Q19 | 26,857 | +13.5% |
| 3Q19 | 27,231 | +21.9% |
| 2Q19 | 26,461 | +25.6% |
| 1Q19 | 24,929 | +19.6% |
| 4Q18 | 23,653 | +9.5% |
| 3Q18 | 22,334 | +12.5% |
| 2Q18 | 21,064 | +7.8% |
| 1Q18 | 20,836 | +6.3% |
| 4Q17 | 21,600 | +3.4% |
| 3Q17 | 19,847 | -3.6% |
| 2Q17 | 19,544 | - |
| 1Q17 | 19,599 | - |
| 4Q16 | 20,892 | - |
| 3Q16 | 20,581 | - |