| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 18,469 | -14.0% |
| 2Q26 | 19,564 | -10.0% |
| 1Q26 | 19,288 | -10.7% |
| 4Q25 | 21,951 | -9.0% |
| 3Q25 | 21,476 | -10.4% |
| 2Q25 | 21,736 | +0.1% |
| 1Q25 | 21,592 | -3.0% |
| 4Q24 | 24,128 | +0.4% |
| 3Q24 | 23,969 | -7.5% |
| 2Q24 | 21,725 | -2.6% |
| 1Q24 | 22,264 | +5.1% |
| 4Q23 | 24,041 | +19.9% |
| 3Q23 | 25,904 | +38.5% |
| 2Q23 | 22,311 | +17.1% |
| 1Q23 | 21,189 | +3.9% |
| 4Q22 | 20,044 | -13.0% |
| 3Q22 | 18,708 | -18.2% |
| 2Q22 | 19,057 | +17.7% |
| 1Q22 | 20,397 | +7.5% |
| 4Q21 | 23,049 | -7.9% |
| 3Q21 | 22,873 | -8.8% |
| 2Q21 | 16,192 | -37.6% |
| 1Q21 | 18,967 | -23.9% |
| 4Q20 | 25,017 | -3.2% |
| 3Q20 | 25,073 | -5.1% |
| 2Q20 | 25,957 | -0.8% |
| 1Q20 | 24,923 | -8.4% |
| 4Q19 | 25,834 | -8.3% |
| 3Q19 | 26,425 | +0.6% |
| 2Q19 | 26,159 | +4.1% |
| 1Q19 | 27,201 | +7.0% |
| 4Q18 | 28,157 | +12.4% |
| 3Q18 | 26,275 | +10.0% |
| 2Q18 | 25,137 | +3.8% |
| 1Q18 | 25,420 | +1.6% |
| 4Q17 | 25,044 | -11.9% |
| 3Q17 | 23,897 | -5.4% |
| 2Q17 | 24,217 | - |
| 1Q17 | 25,025 | - |
| 4Q16 | 28,440 | - |
| 3Q16 | 25,249 | - |