| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 38,186 | +3.6% |
| 3Q25 | 35,196 | +3.6% |
| 2Q25 | 39,782 | +6.0% |
| 1Q25 | 36,187 | +3.0% |
| 4Q24 | 36,845 | +3.9% |
| 3Q24 | 33,963 | +5.4% |
| 2Q24 | 37,538 | +5.4% |
| 1Q24 | 35,121 | +7.6% |
| 4Q23 | 35,456 | +6.3% |
| 3Q23 | 32,222 | +2.3% |
| 2Q23 | 35,605 | +5.1% |
| 1Q23 | 32,645 | +0.3% |
| 4Q22 | 33,368 | +1.5% |
| 3Q22 | 31,501 | +2.5% |
| 2Q22 | 33,892 | -3.5% |
| 1Q22 | 32,554 | +2.8% |
| 4Q21 | 32,887 | +2.5% |
| 3Q21 | 30,731 | +0.5% |
| 2Q21 | 35,121 | +5.7% |
| 1Q21 | 31,663 | +3.7% |
| 4Q20 | 32,084 | +4.0% |
| 3Q20 | 30,576 | +4.1% |
| 2Q20 | 33,234 | +3.4% |
| 1Q20 | 30,532 | +2.4% |
| 4Q19 | 30,838 | +1.4% |
| 3Q19 | 29,384 | +0.1% |
| 2Q19 | 32,146 | +4.4% |
| 1Q19 | 29,828 | +1.9% |
| 4Q18 | 30,413 | +3.4% |
| 3Q18 | 29,344 | +7.3% |
| 2Q18 | 30,781 | -0.3% |
| 1Q18 | 29,280 | +0.3% |
| 4Q17 | 29,414 | +0.2% |
| 3Q17 | 27,338 | +2.9% |
| 2Q17 | 30,873 | - |
| 1Q17 | 29,188 | - |
| 4Q16 | 29,368 | - |
| 3Q16 | 26,560 | - |