| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 24,408 | -4.8% |
| 1Q26 | 22,728 | -4.6% |
| 3Q25 | 23,152 | -4.0% |
| 2Q25 | 25,639 | -0.2% |
| 1Q25 | 23,832 | +2.3% |
| 4Q24 | 28,095 | -5.0% |
| 3Q24 | 24,124 | -7.7% |
| 2Q24 | 25,680 | -4.9% |
| 1Q24 | 23,287 | +5.0% |
| 4Q23 | 29,587 | +16.2% |
| 3Q23 | 26,126 | +23.2% |
| 2Q23 | 27,013 | +54.5% |
| 1Q23 | 22,186 | +19.5% |
| 4Q22 | 25,453 | +15.5% |
| 3Q22 | 21,208 | +177.3% |
| 2Q22 | 17,481 | +1.3% |
| 1Q22 | 18,566 | +44.9% |
| 4Q21 | 22,036 | +16.9% |
| 3Q21 | 7,648 | -48.6% |
| 2Q21 | 17,263 | -1.4% |
| 1Q21 | 12,812 | -14.9% |
| 4Q20 | 18,852 | -13.4% |
| 3Q20 | 14,876 | -1.9% |
| 2Q20 | 17,500 | -2.3% |
| 1Q20 | 15,055 | -1.8% |
| 4Q19 | 21,774 | +4.6% |
| 3Q19 | 15,162 | -6.8% |
| 2Q19 | 17,909 | +0.4% |
| 1Q19 | 15,328 | -2.1% |
| 4Q18 | 20,809 | +1.3% |
| 3Q18 | 16,264 | +11.6% |
| 2Q18 | 17,841 | +13.4% |
| 1Q18 | 15,660 | +30.6% |
| 4Q17 | 20,544 | +1.4% |
| 3Q17 | 14,578 | -2.1% |
| 2Q17 | 15,729 | - |
| 1Q17 | 11,989 | - |
| 4Q16 | 20,268 | - |
| 3Q16 | 14,888 | - |