| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 14,432 | -6.7% |
| 4Q25 | 16,585 | +10.2% |
| 3Q25 | 15,228 | +1.8% |
| 2Q25 | 16,924 | +10.7% |
| 1Q25 | 15,471 | +4.7% |
| 4Q24 | 15,048 | -12.0% |
| 3Q24 | 14,963 | -3.1% |
| 2Q24 | 15,286 | +6.4% |
| 1Q24 | 14,779 | +9.0% |
| 4Q23 | 17,092 | +18.6% |
| 3Q23 | 15,436 | -0.8% |
| 2Q23 | 14,364 | -2.6% |
| 1Q23 | 13,561 | -2.6% |
| 4Q22 | 14,411 | +4.5% |
| 3Q22 | 15,553 | +1.2% |
| 2Q22 | 14,751 | -6.3% |
| 1Q22 | 13,923 | -3.3% |
| 4Q21 | 13,785 | +0.6% |
| 3Q21 | 15,365 | +14.0% |
| 2Q21 | 15,739 | +22.9% |
| 1Q21 | 14,393 | +39.9% |
| 4Q20 | 13,697 | +21.5% |
| 3Q20 | 13,481 | +18.2% |
| 2Q20 | 12,805 | +7.1% |
| 1Q20 | 10,287 | +1.8% |
| 4Q19 | 11,277 | -3.5% |
| 3Q19 | 11,404 | -7.2% |
| 2Q19 | 11,960 | +4.1% |
| 1Q19 | 10,101 | +7.1% |
| 4Q18 | 11,691 | +13.0% |
| 3Q18 | 12,288 | +18.3% |
| 2Q18 | 11,493 | +9.8% |
| 1Q18 | 9,428 | +14.2% |
| 4Q17 | 10,350 | +17.4% |
| 3Q17 | 10,383 | -12.5% |
| 2Q17 | 10,465 | -3.3% |
| 1Q17 | 8,254 | +1.6% |
| 4Q16 | 8,813 | - |
| 3Q16 | 11,869 | - |
| 2Q16 | 10,821 | - |
| 1Q16 | 8,121 | - |