| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 19,198 | -2.7% |
| 1Q26 | 21,051 | -5.1% |
| 4Q25 | 29,502 | -1.1% |
| 3Q25 | 23,235 | +0.3% |
| 2Q25 | 19,723 | +2.2% |
| 1Q25 | 22,178 | +2.9% |
| 4Q24 | 29,834 | -3.9% |
| 3Q24 | 23,154 | +4.4% |
| 2Q24 | 19,302 | +7.4% |
| 1Q24 | 21,543 | +6.5% |
| 4Q23 | 31,044 | +19.2% |
| 3Q23 | 22,176 | +3.3% |
| 2Q23 | 17,978 | +14.8% |
| 1Q23 | 20,235 | +6.1% |
| 4Q22 | 26,041 | -4.9% |
| 3Q22 | 21,477 | -2.2% |
| 2Q22 | 15,658 | -5.7% |
| 1Q22 | 19,076 | +23.7% |
| 4Q21 | 27,397 | -5.0% |
| 3Q21 | 21,963 | -15.0% |
| 2Q21 | 16,602 | -24.4% |
| 1Q21 | 15,420 | -40.1% |
| 4Q20 | 28,844 | -21.7% |
| 3Q20 | 25,841 | -10.7% |
| 2Q20 | 21,955 | -0.5% |
| 1Q20 | 25,754 | -1.7% |
| 4Q19 | 36,851 | +3.9% |
| 3Q19 | 28,941 | -0.9% |
| 2Q19 | 22,056 | 0.0% |
| 1Q19 | 26,201 | -0.8% |
| 4Q18 | 35,477 | +0.2% |
| 3Q18 | 29,213 | -0.3% |
| 2Q18 | 22,051 | +3.8% |
| 1Q18 | 26,413 | +0.1% |
| 4Q17 | 35,410 | -0.2% |
| 3Q17 | 29,314 | +13.0% |
| 2Q17 | 21,235 | - |
| 1Q17 | 26,399 | - |
| 4Q16 | 35,486 | - |
| 3Q16 | 25,948 | - |