| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 14,397 | +8.5% |
| 3Q25 | 14,991 | +4.0% |
| 2Q25 | 15,456 | +6.4% |
| 1Q25 | 14,357 | +0.9% |
| 4Q24 | 13,267 | +2.0% |
| 3Q24 | 14,419 | +5.5% |
| 2Q24 | 14,523 | +11.5% |
| 1Q24 | 14,227 | +14.8% |
| 4Q23 | 13,005 | +15.1% |
| 3Q23 | 13,672 | +17.6% |
| 2Q23 | 13,020 | +15.0% |
| 1Q23 | 12,397 | +14.7% |
| 4Q22 | 11,298 | +12.2% |
| 3Q22 | 11,623 | +8.1% |
| 2Q22 | 11,321 | +6.4% |
| 1Q22 | 10,806 | +21.3% |
| 4Q21 | 10,069 | -18.6% |
| 3Q21 | 10,751 | -18.6% |
| 2Q21 | 10,639 | -21.5% |
| 1Q21 | 8,907 | -29.9% |
| 4Q20 | 12,365 | +1.0% |
| 3Q20 | 13,206 | +6.5% |
| 2Q20 | 13,560 | +2.9% |
| 1Q20 | 12,708 | -2.5% |
| 4Q19 | 12,237 | -8.6% |
| 3Q19 | 12,402 | -5.9% |
| 2Q19 | 13,176 | -5.8% |
| 1Q19 | 13,034 | -2.9% |
| 4Q18 | 13,385 | +1.5% |
| 3Q18 | 13,177 | +2.7% |
| 2Q18 | 13,986 | +7.5% |
| 1Q18 | 13,424 | +11.4% |
| 4Q17 | 13,191 | +9.3% |
| 3Q17 | 12,826 | +1.2% |
| 2Q17 | 13,009 | - |
| 1Q17 | 12,046 | - |
| 4Q16 | 12,066 | - |
| 3Q16 | 12,668 | - |