| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 18,968 | +4.9% |
| 3Q25 | 18,358 | -6.2% |
| 2Q25 | 20,037 | -3.9% |
| 1Q25 | 18,076 | -2.6% |
| 4Q24 | 21,448 | +5.3% |
| 3Q24 | 19,566 | +19.9% |
| 2Q24 | 20,843 | +20.3% |
| 1Q24 | 18,549 | +18.9% |
| 4Q23 | 20,375 | +22.1% |
| 3Q23 | 16,314 | +15.0% |
| 2Q23 | 17,329 | +33.1% |
| 1Q23 | 15,604 | +29.3% |
| 4Q22 | 16,691 | +32.3% |
| 3Q22 | 14,180 | +25.0% |
| 2Q22 | 13,020 | +5.5% |
| 1Q22 | 12,065 | +19.8% |
| 4Q21 | 12,617 | +58.2% |
| 3Q21 | 11,340 | +2.2% |
| 2Q21 | 12,344 | -9.7% |
| 1Q21 | 10,071 | -9.8% |
| 4Q20 | 7,975 | -30.9% |
| 3Q20 | 11,092 | -3.7% |
| 2Q20 | 13,663 | +10.2% |
| 1Q20 | 11,171 | +2.9% |
| 4Q19 | 11,541 | -4.2% |
| 3Q19 | 11,518 | -0.7% |
| 2Q19 | 12,399 | -7.7% |
| 1Q19 | 10,855 | -8.4% |
| 4Q18 | 12,048 | -6.0% |
| 3Q18 | 11,601 | +2.4% |
| 2Q18 | 13,428 | +9.0% |
| 1Q18 | 11,848 | +7.7% |
| 4Q17 | 12,820 | -2.8% |
| 3Q17 | 11,326 | +27.8% |
| 2Q17 | 12,317 | -3.9% |
| 1Q17 | 11,002 | -8.1% |
| 4Q16 | 13,187 | - |
| 3Q16 | 8,864 | - |
| 2Q16 | 12,815 | - |
| 1Q16 | 11,970 | - |