| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 30,248 | +16.6% |
| 3Q25 | 26,254 | +11.4% |
| 2Q25 | 27,998 | +10.5% |
| 1Q25 | 26,169 | +3.7% |
| 4Q24 | 25,936 | -1.6% |
| 3Q24 | 23,573 | -8.0% |
| 2Q24 | 25,344 | +1.7% |
| 1Q24 | 25,224 | +2.8% |
| 4Q23 | 26,365 | -0.1% |
| 3Q23 | 25,623 | +7.7% |
| 2Q23 | 24,910 | +5.2% |
| 1Q23 | 24,541 | +8.7% |
| 4Q22 | 26,387 | +13.4% |
| 3Q22 | 23,791 | +11.1% |
| 2Q22 | 23,671 | +7.7% |
| 1Q22 | 22,572 | +19.1% |
| 4Q21 | 23,278 | +18.3% |
| 3Q21 | 21,410 | +39.6% |
| 2Q21 | 21,984 | +12.7% |
| 1Q21 | 18,959 | +9.8% |
| 4Q20 | 19,670 | +1.7% |
| 3Q20 | 15,336 | -6.0% |
| 2Q20 | 19,501 | +2.8% |
| 1Q20 | 17,267 | -0.2% |
| 4Q19 | 19,346 | +4.1% |
| 3Q19 | 16,315 | -0.7% |
| 2Q19 | 18,961 | +1.1% |
| 1Q19 | 17,294 | +4.0% |
| 4Q18 | 18,576 | +6.6% |
| 3Q18 | 16,426 | +7.2% |
| 2Q18 | 18,752 | +6.4% |
| 1Q18 | 16,631 | +8.8% |
| 4Q17 | 17,428 | +7.4% |
| 3Q17 | 15,327 | +12.6% |
| 2Q17 | 17,627 | +6.3% |
| 1Q17 | 15,288 | +6.3% |
| 4Q16 | 16,227 | - |
| 3Q16 | 13,613 | - |
| 2Q16 | 16,579 | - |
| 1Q16 | 14,388 | - |