| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 11,192 | -15.5% |
| 3Q25 | 12,594 | +11.2% |
| 2Q25 | 14,808 | +12.3% |
| 1Q25 | 12,319 | -0.9% |
| 4Q24 | 13,239 | -10.5% |
| 3Q24 | 11,321 | -31.2% |
| 2Q24 | 13,190 | -38.7% |
| 1Q24 | 12,435 | -20.3% |
| 4Q23 | 14,786 | -10.5% |
| 3Q23 | 16,443 | +42.5% |
| 2Q23 | 21,513 | +121.6% |
| 1Q23 | 15,602 | +67.3% |
| 4Q22 | 16,515 | +54.1% |
| 3Q22 | 11,539 | -3.1% |
| 2Q22 | 9,707 | +10.9% |
| 1Q22 | 9,323 | -23.5% |
| 4Q21 | 10,716 | -17.9% |
| 3Q21 | 11,907 | +1.5% |
| 2Q21 | 8,749 | -8.3% |
| 1Q21 | 12,194 | +33.2% |
| 4Q20 | 13,060 | +39.3% |
| 3Q20 | 11,732 | +7.8% |
| 2Q20 | 9,542 | -10.6% |
| 1Q20 | 9,156 | -46.8% |
| 4Q19 | 9,376 | -40.5% |
| 3Q19 | 10,887 | +36.3% |
| 2Q19 | 10,679 | +17.4% |
| 1Q19 | 17,226 | +75.8% |
| 4Q18 | 15,759 | +50.5% |
| 3Q18 | 7,987 | +6.2% |
| 2Q18 | 9,098 | +6.4% |
| 1Q18 | 9,796 | +6.3% |
| 4Q17 | 10,471 | +18.0% |
| 3Q17 | 7,522 | -20.7% |
| 2Q17 | 8,553 | -14.7% |
| 1Q17 | 9,219 | -11.7% |
| 4Q16 | 8,873 | -23.9% |
| 3Q16 | 9,488 | - |
| 2Q16 | 10,023 | - |
| 1Q16 | 10,438 | - |
| 4Q15 | 11,657 | - |