| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q25 | 30,776 | -1.8% |
| 2Q25 | 31,557 | +0.5% |
| 1Q25 | 35,571 | +3.8% |
| 4Q24 | 42,033 | +7.2% |
| 3Q24 | 31,350 | +2.3% |
| 2Q24 | 31,394 | +1.1% |
| 1Q24 | 34,284 | -7.7% |
| 4Q23 | 39,192 | -3.6% |
| 3Q23 | 30,650 | -16.5% |
| 2Q23 | 31,060 | -13.4% |
| 1Q23 | 37,164 | +22.2% |
| 4Q22 | 40,638 | +42.9% |
| 3Q22 | 36,720 | +22.6% |
| 2Q22 | 35,872 | +19.9% |
| 1Q22 | 30,412 | -6.8% |
| 4Q21 | 28,447 | -24.2% |
| 3Q21 | 29,944 | +1.8% |
| 2Q21 | 29,927 | +10.3% |
| 1Q21 | 32,631 | +2.7% |
| 4Q20 | 37,527 | -9.9% |
| 3Q20 | 29,422 | -18.2% |
| 2Q20 | 27,136 | -13.1% |
| 1Q20 | 31,769 | -9.4% |
| 4Q19 | 41,665 | -0.7% |
| 3Q19 | 35,990 | +10.4% |
| 2Q19 | 31,234 | -3.8% |
| 1Q19 | 35,046 | -2.9% |
| 4Q18 | 41,975 | -3.0% |
| 3Q18 | 32,610 | -3.6% |
| 2Q18 | 32,481 | -0.1% |
| 1Q18 | 36,104 | +1.8% |
| 4Q17 | 43,253 | +5.9% |
| 3Q17 | 33,840 | +2.6% |
| 2Q17 | 32,501 | +1.9% |
| 1Q17 | 35,470 | -0.8% |
| 4Q16 | 40,826 | -0.9% |
| 3Q16 | 32,998 | - |
| 2Q16 | 31,904 | - |
| 1Q16 | 35,770 | - |
| 4Q15 | 41,208 | - |