| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 39,645 | +8.5% |
| 3Q25 | 37,915 | +27.0% |
| 2Q25 | 38,929 | +0.1% |
| 1Q25 | 35,762 | +7.8% |
| 4Q24 | 36,539 | +10.6% |
| 3Q24 | 29,864 | +24.4% |
| 2Q23 | 38,882 | +26.6% |
| 1Q24 | 33,164 | +9.9% |
| 4Q23 | 33,030 | +27.5% |
| 3Q23 | 24,011 | - |
| 1Q23 | 30,183 | +6.2% |
| 4Q22 | 25,902 | -6.2% |
| 2Q22 | 30,723 | - |
| 1Q22 | 28,414 | +2.8% |
| 4Q21 | 27,625 | +81.4% |
| 3Q21 | 23,825 | - |
| 1Q21 | 27,637 | +16.7% |
| 4Q20 | 15,228 | -35.1% |
| 2Q20 | 20,890 | -13.5% |
| 1Q20 | 23,673 | +6.6% |
| 4Q19 | 23,460 | +3.2% |
| 3Q19 | 23,018 | +4.8% |
| 2Q19 | 24,146 | +7.1% |
| 1Q19 | 22,206 | +4.3% |
| 4Q18 | 22,725 | +5.2% |
| 3Q18 | 21,954 | +5.9% |
| 2Q18 | 22,552 | +5.3% |
| 1Q18 | 21,295 | +4.9% |
| 4Q17 | 21,595 | +6.6% |
| 3Q17 | 20,739 | +7.2% |
| 2Q17 | 21,412 | - |
| 1Q17 | 20,309 | - |
| 4Q16 | 20,253 | - |
| 3Q16 | 19,354 | - |